open_in_new content_copy 
<!DOCTYPE html>
<html>
<body>

<h2>Practicing HTML</h2>
<h3>My JavaScript Lesson</h3>

<p>You can use document.write to calculate numbers and add words in to fill in the information outside of it.</p>

<script>
document.write(176 + 323 + " have officially rsvp'd, " + 325 * 3 + " people have indicated possibly rsvping. Another " + 34 + " haven't responded.");
</script>

</body>
</html>