1 digit x 1 digit
4 x 5
20
10 x 10
100
3 x 15
45
2 x 300
600
11 x 24
220
2 x 9
18
10 x 40
400
4 x 17
68
4 x 240
960
26 x 32
780
5 x 6
35
20 x 50
1,000
6 x 22
132
3 x 234
2,106
13 x 122
1,000
10 x 5
50
30 x 40
1,200
5 x 32
160
4 x 524
2,096
47 x 249
10,000
9 x 8
72
60 x 90
5,400
6 x 23
138
8 x 325
2,600
56 x 645
36,000