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<html>
<body>
<h1>Basic output element example</h1>
<p>This form multiplies two values together:</p>
<form
onsubmit="return false"
oninput="o.value = a.valueAsNumber * b.valueAsNumber"
>
<input id="a" name="a" type="number" step="any" /> *
<input id="b" name="b" type="number" step="any" /> =
<output name="o" for="a b"></output>
</form>
</body>
</html>