Once you place mouse pointer over math expression below you should see its alternative presentation
<math xmlns="http://www.w3.org/1998/Math/MathML" display="block"> <maction actiontype="tooltip"> <mrow> <mn>100</mn> <mtext>m</mtext> <mo>/</mo> <mtext>s</mtext> </mrow> <mrow> <mtext>360 km/h</mtext> </mrow> </maction> </math>