static void Main(string[] args) { try { InputConverter inputConverter = new InputConverter(); CalculatorEngine calculatorEngine = new CalculatorEngine(); double FirstNumber = inputConverter.ConvetInputToNumeric(Console.ReadLine()); double SecondNumber = inputConverter.ConvetInputToNumeric(Console.ReadLine()); string operation = Console.ReadLine(); double result = calculatorEngine.calculate(operation, FirstNumber, SecondNumber); Console.WriteLine(result); } catch (Exception ex) { Console.WriteLine(ex.Message); } }