Getting started with angularJs

<!DOCTYPE html>
<html ng-app>

  <head>
    <link rel="stylesheet" href="style.css">
    <script src="https://ajax.googleapis.com/ajax/libs/angularjs/1.2.13/angular.min.js"></script>
    <script src="script.js"></script>
  </head>

  <body>
    <h1>{{4 + 3}}</h1>
  </body> 

</html>

// Code goes here

/* Styles go here */