JSFiddle - React, Tailwind, and code Playground

HTML

<div ng-app="">
    <label>
      <input type="number" name="n1" ng-model="n1">
    </label>
    <label>
      <input type="number" name="n2" ng-model="n2">
    </label>
    <h1>{{10*(n1+n2)}}</h1>
</div>