<!DOCTYPE html>
<html>
<head>
<title>Title of the document</title>
</head>
<body>
<h2>HTML Form Example</h2>
<form action="/form/submit" method="POST">
Name:<br>
<input type="text" name="firstname" value="Tom">
<br>
Surname:<br>
<input type="text" name="lastname" value="Brown">
<br>
Age:<br>
<input type="text" name="Age" value="21">
<br><br>
<input type="submit" value="Submit">
</form>
<p>Click the "Submit" button, to sent the form-data to the action page.</p>
</body>
</html>