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#include<iostream>
using namespace std;
int main()
{
double a, b;
char operation;
cout << "Enter the first number: ";
cin >> a;
cout << "Enter the second number: ";
cin >> b;
cout << "Choose operation: +, -, / or *: ";
cin >> operation;
switch (operation)
{
case '+':
cout << "Result: " << a + b << endl;
break;
case '-':
cout << "Result: " << a - b << endl;
break;
case '*':
cout << "Result: " << a * b << endl;
break;
case '/':
if (b < 0.0000001)
{
cout << "You can not divide by zero!\n";
return 1;
}
cout << "Result: " << a / b << endl;
break;
default:
cout << "Invalid operation!\n";
break;
}
return 0;
}
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