JSFiddle - React, Tailwind, and code Playground
HTML
<div>
<h1>0.119</h1>
<h2></h2>
<h3></h3>
</div>
<div>
<h1>55</h1>
<h2></h2>
<h3></h3>
</div>
<div>
<h1>0.9</h1>
<h2></h2>
<h3></h3>
</div>
<div>
<h1>57</h1>
<h2></h2>
<h3></h3>
</div>
CSS
div:nth-of-type(odd) {background:#eee}
JavaScript
$('div').each(function() {
var self = $(this),
num = self.find('h1').text(),
num = num / 100;
self.find('h2').append(num);
// this should return the number to the original h1
var num = num * 100;
self.find('h3').append(num);
});