16.xhtml

<?xml version='1.0' ?>
<html xmlns="http://www.w3.org/1999/xhtml">
  <head>
    <meta content="application/xhtml+xml; charset=UTF-8" http-equiv="Content-Type" />
  </head>
  <body>
    <math display="block" xmlns="http://www.w3.org/1998/Math/MathML">
      <mrow>
        <mn>3</mn>
        <mo>×</mo>
        <mn>4</mn>
      </mrow>
    </math>
  </body>
</html>