1
<p id="demo"></p>2
<script>3
var x, y, z;4
x = 55
y = 6;6
z = (x + y) * 10;7
document.getElementById("demo").innerHTML = z;8
</script>
<p id="demo"></p><script> var x, y, z; x = 5 y = 6; z = (x + y) * 10; document.getElementById("demo").innerHTML = z;</script>