120x100=12000
345x120=41400
100x3000=300000
200x420= 84000
300x130= 39000
247x212= 52364
400x200=80000
243x111= 26973
123x321= 39483
100x100=10000
500x110= 55000
233x137= 31921
400x400=160000
500x600=300000
440x200= 88000
343x223= 76489
140x200= 28000
340x120= 40800
300x300= 90000
450x100= 45000
230x230= 52900