Well it depends on how many tables you are using and if all the sides of the table are equal lengths....you can it will not hurt anything just make sure you right down all of the area length/width that you cover that way you get the amount you need :) remember to hit that thanks button please:)
The answer is 56 hope this helps
Check the picture below.
so the lateral area will be just the area of the sides, namely excluding the bases at top and bottom, thus
