solved: sum, diff, prdct, div of 2 num

exercises/calculator.cpp

@@ -10,3 +10,28 @@
   Multiplication: 8
   Division: 2
 */
+#include <iostream>
+#include <iomanip>
+
+int main() {
+    double num1, num2;
+
+    std::cout << "Insert first number: ";
+    std::cin >> num1;
+
+    std::cout << "Insert second number: ";
+    std::cin >> num2;
+
+    std::cout << "SUM: " << num1 + num2 << std::endl;
+    std::cout << "Difference: " << num1 - num2 << std::endl;
+    std::cout << "Multiplication: " << num1 * num2 << std::endl;
+
+    if (num2 != 0) {
+        std::cout << "Division: " << std::fixed << std::setprecision(2) << num1 / num2 << std::endl;
+    } else {
+        std::cout << "Division: Cannot divide by zero" << std::endl;
+    }
+
+    return 0;
+}
+