#include "math_utils.h"
#include <iostream>
int calculate(int x, int y) {
int sum = add(x, y);
int product = multiply(x, y);
return sum + product;
}
int main() {
int result = calculate(5, 3);
std::cout << "Result: " << result << std::endl;
int direct = multiply(10, 20);
std::cout << "Direct: " << direct << std::endl;
return 0;
}