Simple Calculator test using C program

Question

Write a program that will perform, Addition, Multiplication, Subtraction and Modulo Operations. The program should only accept numbers between 0 (ZERO) and 20.

For subtraction, if the first number should be greater than the second.

Use the following for the menu

Choose 1 for Addition:
Choose 2 for Multiplication:
Choose 3 for Subtraction:
Choose 4 for Modulo:

Answer 1

What is your question?

If you need help need help, please link your code attempt. You can start by getting the input numbers and the operation.