multiply by 3
3 x 3
9
4 x 5
20
8 x 5
40
6 x 11
66
12 x 2
24
3 x 10
30
4 x 6
24
8 x 6
48
11 x 7
77
3 x 12
36
7 x 3
21
9 x 4
36
7 x 8
56
8 x 11
88
12 x 5
60
9 x 3
27
4 x 12
48
8 x 8
64
9 x 11
99
12 x 10
120
3 x 20
60
4 x 40
160
9 x 8
72
11 x 10
110
12 x 6