1 digit
5x7
35
20x45
900
100x100
1000
10x2
20
345+235
580
1x2
2
23x12
276
234x123
28782
30x3
90
5x5
25
3x6
18
45x55
2475
456x654
298224
43x7
301
478+123
601
8x7
56
10x10
100
675x123
83025
98x8
784
4x3
12
9x8
72
56x83
4648
987x890
878430
46x5
230
25x25
625