1 digit by 2 digit multiplication
20 x 4
80
42 x 20
840
30 x 60
1,800
23 x 14
322
31 x 8
248
39 x 31
1,209
23 x 14
322
37 x 34
1,258
46 x 9
414
45 x 45
2,025
73 x 48
3,504
51 x 48
2,448
69 x 8
552
75 x 48
3,600
79 x 68
5,372
66 x 81
5,346
93 x 7
651
98 x 36
3,528
96 x 88
8,448
88 x 64
5,632