math
10x20
200
10x60
600
10x70
700
10x85
850
10x97
970
20x12
240
20x70
1,400
20x80
1,600
20x90
1,800
20x100
2,000
30x60
1,800
30x75
2,250
30x67
2,010
30x30
900
30x12
360
40x50
2,000
40x40
1,600
40x65
2,600
40x11
444
40x39
1,560
60x11
666
60x700
42,000
67x546
36,582
456x70
31,920
600,000,000x1
600,000,000