Complementary task for topic: 1

#include 

int main() {
    int operand1 = 10;
    int operand2 = 5;
    
    int result = operand1 + operand2;
    
    printf("The result is %d.\n", result);
    
    return 0;
}

In this example, we have two predefined integer variables operand1 and operand2 set to 10 and 5, respectively. The program performs the addition operation between the two operands and stores the result in the result variable. Then, it uses printf() to display the result with the specified format.

When you run the program, it will output the result of the mathematical operation using printf() as specified in the task. The %d format specifier is used to print integer values.