You can mix HTML and ERb as well


<html>
  <head>
    <title>Using Ruby on Rails</title>
  </head>
  <body>
    <br>
    2 + 3 = <%= 2 + 3 %>
    <br>
  </body>
</html>

1.	In Rails, embedded Ruby in .rhtml pages is run using a processor called ERb, for Embedded Ruby.
2.	Mix Ruby Code and HTML
3.	use puts to display text in a web page (It was printed out in the console.)
4.	A loop executes the body of the loop
5.	uses the Ruby Time.now method to display the current time
6.	Escaping Sensitive Text

You can mix HTML and ERb as well : ERB « Rails « Ruby