JSFiddle - React, Tailwind, and code Playground

HTML

<script src="http://cdn.kendostatic.com/2011.3.1129/js/kendo.all.min.js"></script>
<link rel="stylesheet" href="http://cdn.kendostatic.com/2011.3.1129/styles/kendo.common.min.css">
<link rel="stylesheet" href="http://cdn.kendostatic.com/2011.3.1129/styles/kendo.default.min.css">
<div id='summaryTable'/>

JavaScript

$('#summaryTable').kendoGrid({
        height: 250,
        filterable: true,
        sortable: true,
        columns: [
                    {
                        field: 'Name',
                        title: 'Vehicle'
                    },
                    {
                        field: 'OnDuty',
                        title: 'On Duty(hrs)'
                    },
                    {
                        field: 'OffDuty',
                        title: 'Off Duty(hrs)'
                    },
                    {
                        field: 'OffDuty',
                        title: 'Total(hrs)'
                        ,template: '#= Simple(OffDuty,OnDuty) #'
                    }
                 ]
        , dataSource: {
            data: [{Name:'Test',OnDuty:3.5,OffDuty:0.7}]
        }
    });


function Simple(a,b){
     return a + b * 100                     
}