Css-magz

https://css-magz.blogspot.com/2018/09/new-tags-in-html5.html

HTML

<form oninput="x.value=parseInt(a.value)*parseInt(b.value)">0
<input type="range" id="a" value="9">100
<b>x</b> 0<input type="range" id="b" value="1">100
=<output name="x" for="a b"></output>
</form>