#include <iostream>

int main( ) {
   int n = 7;

   std::cout << "suma: " << n + 2 << "\n";
   std::cout << "resta: " << n - 2 << "\n";
   std::cout << "producto: " << n * 2 << "\n";
   std::cout << "division: " << n / 2 << "\n";
   std::cout << "residuo: " << n % 2 << "\n";
   std::cout << "\n";

   std::cout << "division entre flotante: " << n / 2.0 << "\n";
   std::cout << "division con moldeado: " << double(n) / 2 << "\n";
}