1 digit x 1 digit
4 x 5
20
15 x 3
45
123 x 2
246
4321 x 2
8,642
12 x 15
180
3 x 7
21
23 x 3
69
243 x 3
729
2324 x 3
6,972
27 x 33
891
6 x 7
42
45 x 5
225
60 x 4
240
9653 x 4
38,612
33 x 71
2,343
8 x 7
56
67 x 3
201
500 x 5
2500
5456 x 6
32,736
58 x 62
3,596
9 x 9
81
99 x 9
891
400 x 8
3200
59,256
99 x 99
9,801