Calculator

HTML

<table>
            <tbody>
                <tr>
                    <td>Width (m)</td>
                    <td><input type="text" id="width" /></td>
                </tr>
                <tr>
                    <td>Length (m)</td>
                    <td><input type="text" id="length" /></td>
                </tr>
                <tr>
                    <td>Thickness (cm)</td>
                    <td><input type="text" id="thickness" /></td>

                </tr>
                <tr>
                    <td>Total (m<sup>3</sup>)</td>
                    <td id="answer"></td>
                </tr>
            </tbody>
        </table>

JavaScript

$("#width ,#length ,#thickness").on('change keyup keydown', function () {

                var width = $("#width").val();
                var length = $("#length").val();
                var thickness = $("#thickness").val();
                var result = width * length * thickness;
                 result = result/5000;
                $("#answer").text(result).append(" m<sup>3</sup>");;

            });