C227 New School Students

Lu Ming smiled. To him, this was just a small matter. "Wishing us all a long life, a thousand miles in total." Lu Ming looked down at the little boy.

"This is the simplest answer. Even if your answer is correct, don't get cocky." The boy thought to himself, "If my family had two cows, three pigs, and five sheep, how much would that be?"

In the ancient times, there was no addition or subtraction