public ActionResult FlooringCalculator(FloorInputs inputs)
        {
            if (ModelState.IsValid)
            {
                var calc      = new FlooringCalculator();
                var floorData = new FloorCalculation();
                floorData.Width = inputs.Width.Value;
                //what does .Value do here?  allows nullabe decimal to convert to target type decimal?
                floorData.Length      = inputs.Length.Value;
                floorData.CostPerUnit = inputs.CostPerUnit.Value;

                var result = calc.CalculateFloor(floorData);
                inputs.FlooringCost      = result.FlooringCost;
                inputs.Area              = result.Area;
                inputs.LaborCost         = result.LaborCost;
                inputs.TotalCostEstimate = result.TotalCostEstimate;
                return(View("FlooringCalculator", inputs));
            }
            else
            {
                return(View("FlooringCalculator"));
            }
        }
        public ActionResult FlooringCalculator()
        {
            var model = new FloorInputs();

            return(View(model));
        }