Dragon king recruits son-in-law

It is said that the Dragon King watched his daughter getting older and older, and when it came time to get married, he began to prepare to find a husband for his daughter.

? In a short time, the news that the Dragon King recruited a son-in-law spread at sea. Many beasts and elves in the sea signed up immediately after hearing the news. After layers of selection, the tortoise stood out, but at the last level, the tortoise was puzzling. The dragon king asked his son-in-law to be over 90 years old, and the tortoise was only 89 kg! The tortoise left sadly. ...

When the two crawfish on the road heard what happened to the tortoise, they couldn't help feeling sorry for it. They said to the tortoise, we are half a catty of shrimp and a catty of shrimp. Let's hide in your ear and weigh together.

The tortoise went back and weighed it again, which was exactly 90 Jin. The Dragon King saw it and asked the tortoise, Why did you suddenly get A Jin?

? The tortoise dropped two crayfish when he was nervous. The dragon king saw the crayfish and asked them, What are you doing?

? The crayfish said, I am telling a story to the tortoise. ...