Lol please explain how to do this

25,000 / 10 is 2,500 that is 10 percent of 25,000

Using that logic, 25,000 / 100 is 250.

So we can multiply 250 by 4 to get 1,000 which is four percent of 25,000.

Therefore the salesman would make $1,000 off of that sale

The third box is a function