Code in program C: Write a program that reads two real numbers (numl and num2) and an integer (operator). Valid integers are 1, 2, 3, 4 and 5. If the integer is equal to 1 the program shall calculate the sum, for 2 the difference, for 3 the quotient, for 4 the product. The program shall continue to read numbers and calculate until the user enter operator to 5 exit the program Observe that for operator 3 - handle zero in a nice way