I need a simple spreadsheet. should look like this.
Quantity Discription Price Extended Price
1 Wall Cabinet 199.59 199.59
Base Cabinet 379.59
Base w/Drawer 419.59
Tool Cabinet 499.59
4 Locker Cabinet 699.59 2798.36
Discount Total Price 2398.36
Need to enter quantity, have the extended price calculate and total and discount.

I've got it working as an exel spreadsheet. How do I get it embedded on my website?