"The time of existence is 224 years, and I don't know the specific production time. I only know that it was the Yongle period."

"Have you memorized a lot of numbers recently?"

"There is nothing to memorize. If you read too much, you will remember some numbers."

"How many years did Chongzhen reign?"

"Seventeen years, 1628 to 1644."

"Emperor Yongle has been in power longer, how many years has he been in power?"

"Zhu Di reigned for twenty-two years, from 1403 to 1424."

"Are you sure?"

"It should be right." Bai He said with a smile, "I can't be 100% sure."

"Do you think Ma Weidu is knowledgeable?"

"He is considered a knowledgeable person. After all, he is a leader in some fields. Recently, I have watched a lot of Ma Weidu's videos online."

"I know. You learned a lot from watching his videos, right?"

"I learned a little bit."

"It's helpful for others to read the book, but it's helpful for you to watch the video."
Chapter completed!