Add the tags to create an ordered list in an unordered list.

<html>
<body>
<ul>
<li>Travel Destinations
<ol>
<li>New York</li>
<li>Hawaii</li>
<li>Rome</li>
</ol>
</li>
</ul>
</body>
</html>]]>

Add the <ul> tag and the <ol> tag. Then close the lists with </ol> and </ul>.