Here are some simple formulas to help with simple math ( and a couple other thing) how to find area of a 2D object: length x with or lxw
how to find area of a 3D object: length x with x height or lxwxh
in simple algebra a leter(most comely x)= an unknown number
when multiplying or dividing with a present/fraction dividing and multiplying is switched
(if you need any explanation ask in comments)
Also happy Saint Patricks day!!!