public IActionResult Subtract()
        {
            Request request = new Request()
            {
                intA = 18, intB = 9
            };
            var response = RestApiCall.ExecuteApiMethod("http://localhost:53457/calculate/subtract", request);

            return(View(response));
        }
        public IActionResult Divide()
        {
            Request request = new Request()
            {
                intA = 4, intB = 4
            };
            var response = RestApiCall.ExecuteApiMethod("http://localhost:53457/calculate/divide", request);

            return(View(response));
        }
        public IActionResult Add()
        {
            Request request = new Request()
            {
                intA = 16, intB = 4
            };

            OperationResult response = RestApiCall.ExecuteApiMethod("http://localhost:53457/calculate/add", request);

            return(View(response));
        }