case 4 entry

src/main/c/Calculator/calculator.c

@@ -26,4 +26,10 @@ switch (choice) {
                 scanf("%d %d", &num1, &num2);
                 result = subtract(num1, num2);
                 printf("Result: %d\n", result);
+                break;
+                      case 3:
+                printf("Enter two numbers: ");
+                scanf("%d %d", &num1, &num2);
+                result = multiply(num1, num2);
+                printf("Result: %d\n", result);
                 break;