███ JavaScript Help: Mulch Calculator?

Question

I have "zero" ability with JavaScript. However, I am wondering if somebody could help me to make a simple script to calculate Garden Stuff such as:

http://content.garden.org/gardenplace/calculators/index.php?q=form&type=mulch

I will be very glad for any help.

Answer 1

Post with more info: what are the inputs, and calculations required.  It shouldn't be difficult, just post the details!