Social/Temperature_calculator

#include <iostream>
using namespace std;
// Coded by Username77177 with ♥ for Goal Gesture
int main(int argc, char *argv[])
{
  cout << "1 - Fahrenheit to Celsius;\n2 - Celsius to Fahrenheit;\n3 - Celsius to Kelvin\n4 - Kelvin to Celsius\n: ";
  float choice;
  while (int(choice) != 1 && int(choice) != 2 && int(choice) != 3 && int(choice) != 4)
  {
    cin >> choice;
  }
  if (choice == 1) {
    cout << "Введите температуру в Фаренгейтах:";
    cin >> choice;
    choice = (choice - 32) * 5 / 9;
  }
  else if (choice == 2)
  {
    cout << "Введите температуру в Цельсиях:";
    cin >> choice;
    choice = ((choice/5)*9) + 32;
  }
  else if (choice == 3)
  {
    cout << "Введите температуру в Цельсиях:";
    cin >> choice;
    choice += 273.15;
  }
  else {
    cout << "Введите температуру в Кельвинах:";
    cin >> choice;
    choice -= 273.15;
  }

  cout << "Полученная температура: " << choice << endl;
  return 0;
}