Advanced Calculator in C++

1#include <iostream>
2using namespace std;
3
4int main() {
5    char operation;
6    float num1, num2;
7
8    cout << "Enter operator (+, -, *, /, %): ";
9    cin >> operation;
10
11    cout << "Enter two operands: ";
12    cin >> num1 >> num2;
13
14    switch(operation) {
15        case '+':
16            cout << num1 << " + " << num2 << " = " << num1 + num2;
17            break;
18        case '-':
19            cout << num1 << " - " << num2 << " = " << num1 - num2;
20            break;
21        case '*':
22            cout << num1 << " * " << num2 << " = " << num1 * num2;
23            break;
24        case '/':
25            if(num2 != 0)
26                cout << num1 << " / " << num2 << " = " << num1 / num2;
27            else
28                cout << "Error! Division by zero.";
29            break;
30        case '%':
31            if(static_cast<int>(num2) != 0)
32                cout << static_cast<int>(num1) << " % " << static_cast<int>(num2) << " = " << static_cast<int>(num1) % static_cast<int>(num2);
33            else
34                cout << "Error! Division by zero.";
35            break;
36        default:
37            cout << "Error! Operator is not correct";
38            break;
39    }
40
41    return 0;
42}