one x one
3 x 4
12
3 x 24
72
12 x 12
144
12 x 102
1,224
123 x 123
15,129
4 x 5
20
5 x 15
75
15 x 25
375
18 x 135
2,430
276 x 135
37,260
6 x 4
24
6 x 46
276
43 x 56
2,408
24 x 247
5,928
398 x 145
57,710
7 x 6
42
8 x 36
288
35 x 68
2,380
42 x 512
21,504
451 x 512
230,912
8 x 7
56
9 x 88
792
67 x 84
5,628
61 x 594
36,234
999 x 999
998,001