JSFiddle - React, Tailwind, and code Playground

HTML

<div id="sliderul"></div>

CSS

#sliderul {width:50px;height:50px;background-color:red;}

JavaScript

var step = 22;
var obj = 2;
var margin_sliderul = step*obj;console.dir(obj)
$("#sliderul").animate({marginLeft: "-"+margin_sliderul}, 500);
console.dir(margin_sliderul);