Multiply by 9
9 x 6
54
15 x 3
45
14 x 2
28
13 x 3
39
7 x 3
21
12 x 2
24
15 x 15
225
9x7
63
15 x 5
75
14 x 4
56
13 x 8
104
7 x 6
42
12 x 5
60
25 x 7
175
9 x 9
15 x 7
105
14 x 7
98
13 x 11
143
7 x 8
56
12 x 8
96
100 x 550,000
55,000,000
9 x 15
135
15 x 9
135
14 x 9
126
13 x 13
169
7 x 12
84
12 x 11
132
500 x 20
10,000