What humorous jokes are there, novel and not old-fashioned?

In the final exam, there is a question: "What is the power of 1 0?"

I took the draft paper and multiplied it over and over again. Finally, on the 83rd time, the math teacher came, stood behind me and watched me tirelessly calculate 1 times 1.

Seeing that I had finished, he hurried to the podium and said, "Students, there is something wrong with the question. Now correct it. 1 100 power fill-in-the-blank problem. Now please change it to the power of 1. "