Question thats answer = 40

Question

Hi can someone explain how you get 40 as the answer? I just quess and check and I have no clue.

Answer 1

40

Answer 2

To the test to test out of the first chapter there is a question and the answer is 40 but I don't understand how you get 40. I'm sorry I have smoll brain and can't remember how to replicate the question.

Answer 3

😂