<h2>Simple Calculator </h2>
@using (Html.BeginForm())
<label for="num1"> Input Number 1: </label>
<input type="text" class="form-control" name="n1"/>
<label for="num2"> Input Number 2: </label>
<input type="text" class="form-control" name="n2"/>
<p> @Html.RadioButton("opr","+") Add</p>
<p> @Html.RadioButton("opr","-") Subtract</p>
<p> @Html.RadioButton("opr","/") Divide</p>
<p> @Html.RadioButton("opr","*") Multiply</p>
<input type="submit" value="Calculate" class="btn btn-info">
<div class="alert alert-success col-sm-4">
<p>Result: @TempData["res"]</p>