Calculator Using Else if Statement - C++

#include <iostream>
using namespace std;
main()
{
    int number1,number2;
 char op;
    int answer, answer1, answer2, answer3;

    cout << "Enter value of number1: ";
    cin >> number1;

    cout << "Chose your Operator:";
 cout<<"Press1 for +, press2 for -, press3 for *, press4 for/"<<endl;
    cin >> op;

    cout << "Enter value of number2: ";
    cin >> number2;

    if (op == '1')
   {answer = number1 + number2;
   cout << "Answer: " << answer << endl;}
   
   else if (op == '2')
   {answer1 = number1 - number2;
   cout << "Answer: " << answer1 << endl;}
         
    else if(op == '3')
    {answer2 = number1 * number2;
    cout <<  "Answer: " << answer2 << endl;}
    
    else if (op == '4')
    {answer3 = number1 / number2;
     cout << "Answer: " << answer3 << endl;}
                
    return 0;
}

Output: