Đầu ra có định dạng

#include <iostream>

int main() {
    std::cout << "Calculator App" << std::endl;

    double num1;
    std::cin >> num1;
    double num2;
    std::cin >> num2;

    // Perform arithmetic operations
    double sum = num1 + num2;
    double difference = num1 - num2;
    double product = num1 * num2;
    double division = num1 / num2;

    // Print the results
    std::cout << "Sum: " << sum << std::endl;
    std::cout << "Difference: " << difference << std::endl;
    std::cout << "Product: " << product << std::endl;
    std::cout << "Division: " << division << std::endl;

    return 0;
}