Multiplication tutor program

Write a multiplication tutor program. Ask user to solve problems with random numbers from 1-20. The program stops after an incorrect answer. The output should look like:
14 * 8 = 112
Correct!
5 * 12 = 60
Correct!
8 * 3 = 24
19 * 14 = 256
Incorrect; the answer was 266
You solved 2 correctly