И🇧
#include <iostream>
#include <conio.h>
using namespace std;
int main() {
int a, b, c, d;
char ch;
cout << "enter:";
cin >> a >> ch >> b;
ch = getche();
switch ( ch )
{
case '+' : c = a + b; break;
case '-' : c = a - b; break;
case '*': c = a * b; break;
case '/': c = a / b; break;
default : cout << "error";
}
cout << "Result:" << c;
}