static void Main(string[] args) { try { InputConverter inputConverter = new InputConverter(); CalculatorEngine calculatorEngine = new CalculatorEngine(); double firsNumber = inputConverter.ConverterInputeToNumberic(Console.ReadLine()); double secondNuber = inputConverter.ConverterInputeToNumberic(Console.ReadLine()); string operation = Console.ReadLine(); double result = calculatorEngine.Calculate(operation, firsNumber, secondNuber); Console.WriteLine(result); } catch (Exception ex) { Console.WriteLine(ex.Message); } }