Try it Live

​x
 
<!DOCTYPE html>
<html>
  <body>
    <p>Example for <b>Output Tag</b></p>
    <form oninput = "totalresult.value = parseInt(M1.value)+parseInt(M2.value)">
      <input type = "range" name = "M1" value = "0" /> +
      <input type = "number" name = "M2" value = "1000" /> 
      <br><br>
      Total = <output name = "totalresult"></output>
    </form>
  </body>
</html>
​