what is 5*4

Question

I need help with math problems

Answer 1

I recommend that you stop everything and memorize the multiplication table for any integers from 1 to 12, by any integer from 1 to 12. This could be useful in the future.

Answer 2

5 * 4 = 4 + 4 + 4 + 4 + 4

5 * 4 = ?