#include #include using namespace std; int main() { float q, w, e; char a; cout << "Please enter first number " << endl; cin >> q; cout << "Please enter sign " << endl; cin >> a; cout << "Please enter second number " << endl; cin >> w; switch (a) { case '+': e = q + w; break; case '-': e = q - w; break; case '*': e = q * w; break; case '/': e = q / w; break; default: cout << "Error! " << endl; } cout << "Result is " << e << endl; }