Basics On a Calculator

#include <iostream>
using namespace std;
 
/*
      Basic Calculator by Lockdown
      xax.lockdown@gmail.com
*/
 
int main() {
    float num0, num1, answer;
    int input;
    cout << "\n\n\nOptions:\n";
    cout << "1 [Multiplication]\n";
    cout << "2 [Addition]\n";
    cout << "3 [Subtraction]\n";
    cout << "4 [Division]\n";
    cout << "5 [Exponents]\n";
    cout << "\n\n Which option: ";
    cin >> input;
    cout << "\nFirst number: ";
    cin >> num0;
    cout << "\nSecond number: ";
    cin >> num1;
 
    switch(input) {
    case 1: 
         answer = num0 * num1;
    break;
    case 2:
         answer = num0 + num1;
    break;
    case 3:
         answer = num0 - num1;
    break;
    case 4:
         answer = num0 / num1;
    break;
    default:
            cout << "\n\nNot an option!";
    break;
}
 
    cout << "\n\aAnswer is : " << answer;
    return 0;
}