Calculator in c++

Calculator.c++

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+# include <iostream>
+using namespace std;
+
+int main()
+{
+    char op;
+    float num1, num2;
+
+    cout << "Enter operator either + or - or * or /: ";
+    cin >> op;
+
+    cout << "Enter two operands: ";
+    cin >> num1 >> num2;
+
+    switch(op)
+    {
+        case '+':
+            cout << num1+num2;
+            break;
+
+        case '-':
+            cout << num1-num2;
+            break;
+
+        case '*':
+            cout << num1*num2;
+            break;
+
+        case '/':
+            cout << num1/num2;
+            break;
+
+        default:
+            // If the operator is other than +, -, * or /, error message is shown
+            cout << "Error! operator is not correct";
+            break;
+    }
+
+    return 0;
+}