Exercise4.js

<html>
<body>

<script type = "text/javascript">

var sum = 13 + 8 + 8;

//Replace 8 with another number so that sum will be 29

document.write(sum + "<br />");

var difference =  34 - 25;

//Replace 12 with another number so that difference will be 9

document.write(difference + "<br />");

var product = 11*6;

//Replace 9 with another number so that product will be 66

document.write(product + "<br />");

var quotient = 120/3;

//Replace 10 with another number so that quotient will be 40

document.write(quotient + "<br />");

var remainder = 93%12;

//Replace 5 with another number so that remainder will be 9

document.write(remainder + "<br />");
</script>

</body>
</html>