use puts to display text in a web page (It was printed out in the console.)
<html>
<head>
<title>Using Views</title>
</head>
<body>
<h1>Working With Views</h1>
This is an active view in a Ruby on Rails application.
<br>
<br>
2 + 3 = <%= 2 + 3 %>
<br>
<% puts "Hi" %>
<br>
This page executes Ruby code on the fly.
</body>
</html>