Sure enough, a smile appeared on Li Shimin's face. He stretched out his hand and patted Li Xiaogong on the shoulder, and then he said seriously: "Cousin, if I don't believe you, why should I talk to you about these things?"

"I know my cousin's determination, so this time I said that my cousin invited me to come out of the mountain." Li Shimin said seriously.

"Your Majesty, please speak." Li Xiaogong said seriously.

"You must be asked to go to the south of the Yangtze River again and serve as the Grand Governor of Yangzhou, and build large ports and docks near the estuary of the Yangtze River, build warships, and train naval forces. This time, we not only fight within the Yangtze River, but also fight at sea! To be precise, our Tang Dynasty wants to establish the Tang Dynasty Royal Navy." Li Shimin spoke seriously.

The word Navy was naturally heard from Huo Gang, especially Huo Gang's words that warships are flowing lands, which was also very touched for Li Shimin.

He has studied in private that Goguryeo has always been disrespectful to the Tang Dynasty. The biggest reason is that the border between Goguryeo and the Tang Dynasty is located in the ancient Youzhou area, where there are now dense primeval forests. When the Tang Dynasty bypassed that large circle, the entire army had to walk thousands of miles more.

However, if the Tang Dynasty had a powerful navy, these warships could directly transport soldiers from the sea to the hinterland of Goguryeo! And they could use the navy to maintain the logistics line. At that time, the north and south attacked each other, and Goguryeo would not be afraid at all!

The most important thing is that Li Shimin can say that there are at least more than 50 million taels of silver on the Japanese pirate island in the east. It can be said that there is really a mountain of silver there!

For Li Shimin's current ambition, he must take down these islands. More importantly, next to the vast sea on the east side, Huo Gang said that there should be a territory that is no less than that of the Tang Dynasty.

These things are all from the Tang Dynasty, at least they are from the Tang Dynasty in the future, and these are all to resolve the struggles between princes.

Li Shimin thought very clearly that the land around the Tang Dynasty is enough to solve the problem of his son's struggle, but his son's son may not be easy to solve in the future, but there is naturally a better solution to more land.

After all, not every son has the ambition to broaden his territory and wants to be a leisurely prince.

Li Shimin's words made Li Xiaogong stunned for a moment. He did not expect that Li Shimin would give him such a great responsibility.

"Your Majesty..." Li Xiaogong didn't know what to say for a moment.

"Cousin, come and see..." Li Shimin directly pulled Li Xiaogong's arm and walked towards the world territory map next to him. However, this is a reduced version, and Li Shimin would not take out the huge version easily.

"If my cousin builds enough sea ships and huge warships here, it means that our fleet can go south south, which will play a great role in conquering these countries in the future. To the north, the next move of the Tang Dynasty is mainly this position. I believe my cousin knows the convenience of sea transportation more than me. Using these long water systems, we can easily talk about the food being delivered from here to Chang'an."

"The most important thing is Goguryeo! If the cousin can control the entire sea area, it means that we can clear all the pirates in the sea and launch a direct attack from any hinterland of Goguryeo at any time. And they have no way to know." Li Shimin pointed to the map seriously and spoke.

Li Xiaogong looked at it seriously. People who could conquer half of the Tang Dynasty were naturally very proficient in fighting. Li Shimin's words, Li Xiaogong knew at a glance that what Li Shimin said was very correct. If there was really a huge fleet, it meant that the Tang Dynasty could attack and retreat or defend, and if it was transferred, it would be much stronger than before.

Moreover, the transportation of sea boats is indeed much easier to use.

"As long as your Majesty believes in me, I will not let you down!" Li Xiaogong bowed directly.

"Okay, cousin, I will leave the sea boundary of the Tang Dynasty to you. After you go back, you will immediately start preparing. Let's set off to Jiangnan soon and start preparing related matters, especially the priority signs such as craftsmen on the ship. I will give you relevant imperial edicts to make you cheap." Li Shimin said seriously.

"I understand. But your Majesty, you have thought that building a sea ship requires huge manpower and material resources, and it is a process of long-term investment." Li Xiaogong said seriously.

"I've thought about it. All the local government soldiers will be handed over to you and given you the right to recruit soldiers. You have to select excellent sailors."

"Yes, it is not difficult to select sailors. There are many sailors among the fishermen along the coast. However, in these aspects, it is not a problem to have local officials cooperated." Li Xiaogong agreed directly.

"Well, you know the navy. I will give me a detailed plan in the past few days, including the construction of warships, etc.," Li Shimin quickly said, "By the way, I will give you a few things. You have to experiment when building warships."

"yes."

After the negotiation with Li Xiaogong, Li Shimin took a deep breath and sent Li Xiaogong away. Because of Huo Gang, he always felt that he would not wait for me. He was not as good as this. The Tang Dynasty should have been stable now, but he still made such a radical decision.

Of course, it was also because the external environment of the Tang Dynasty began to become very stable.

After seeing Li Xiaogong off, Li Shimin thought about it and turned directly to Empress Changsun. Li Lizhi's palace is now with Empress Changsun and the others, so Li Shimin wants to talk to Li Lizhi today.

When he arrived, he found that Empress Changsun was chatting with Li Lizhi.

"What are you mother and daughter talking about? You are so happy?" Li Shimin asked with a smile.

"See Father."

"I've seen Your Majesty."

"Okay, I'll be free from gifts, I'm all my own people." Li Shimin waved his hand.

"I'm telling a story about mathematics to my mother." Changle said with a smile.

"Is that true? Let me tell you what kind of mathematical story." Li Shimin asked with a smile.

"Father, this story is very simple, it is the chess board." Changle took over the chess board next to it. The chess of the Tang Dynasty was actually very similar to later generations, and of course there was still a difference.

"In this way, this story is the story of Changle and his father asking for food. There are 71 grids here. The amount of grain that Changle and his father want is very simple. It is to put one wheat in this grid, two wheat in the second grid, four wheat in the third grid, eight wheat in the fourth grid, and 16 wheat in the fifth grid..."

"Changle only needs so much food. What do you think, Father?" Changle said with a smile.

Li Shimin said suddenly: "What is your story? Are you taking the Godfather exam? Isn't that just the little food? The father gave it to you."

"Hehe, father, aren't you thinking about it? There is a lot of food." Changle said with a smile. Queen Changsun next to them did not disturb them, but just smiled and looked at the father and daughter.

"How much can this be? My father has nothing else, but there is still a lot of food. I'll give it to this food." Li Shimin said with a smile with a loud hand.

"Hehe, then Father, do you want to know how much food you need to fill this chessboard if you put it down according to this number?" Changle asked with a smile.

"How many?" Li Shimin also asked with a smile.

"Father, you just gave Changle a grain that was not enough for ten thousand years." Changle said proudly.

"How many?" Li Shimin was stunned for a moment.

"Tang Dynasty planting is not enough for ten thousand years." Changle repeated.

"This is impossible." Li Shimin said subconsciously.

"Changle didn't lie. Although it seemed that the number was small at the beginning, it didn't need too many. According to this number, it would be an extremely huge number at about 30 grids." Changle clapped his hands and said.

"Really?" Li Shimin was extremely shocked. He looked at this small chessboard and just put a few rice in this way, so much food could be achieved? Ten thousand years of the Tang Dynasty? How much food did it get? Li Shimin could not believe it.

Seeing that Li Shimin still didn't believe it, Changle immediately spoke: "Really, Father, this is the power of mathematics, that is, the power of calculation. According to Changle just now, it is about 30 squares, but it needs nearly 500 stones!"

"That's not much..." Li Shimin said subconsciously, it was indeed not much 500 stones.

"Father, think about it, it took only 30 grids from a grain of grain to 500 stones, but there were 71 grids here! The 31st grid is 1,000 stones, the 32nd grid is 2,000 stones, the 33rd grid is 4,000 stones, and the 35th grid is 16,000 stones! At the 40th grid, it was 512,000 stones!" Changle spoke quickly.

Li Shimin's face turned pale. Although this is just a small story, only 40 square meters require 510,000 stones of food! If it doubles this way, when there are more than 71 square meters... it is really an extremely terrifying number.

"So, this is the great thing about mathematics. If there are envoys from other countries in the future who can't help but betray their father, you can use this example to give them food. If they can't give it out, they will beat them. That would be the crime of deceiving the king." Changle said with a smile.

Hearing this, Li Shimin's expression became strange in an instant. To be honest, the Turks who were disrespectful to the Tang Dynasty had completely finished playing, and it seemed that there was only one Goguryeo left? And the envoys of Goguryeo have always been proud.

If you want to use force against Goguryeo, it seems good to use this to dig a hole...

Queen Changsun next to him couldn't help but stretch out her finger and knocked on Changle's forehead. "Oh" Changle couldn't help but scream in pain, then hugged Queen Changsun's arm and said, "My mother, why are you hitting me?"
Chapter completed!