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0
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1
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9
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8
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48
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14
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49
56
63
70
77
84
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8
16
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32
40
48
56
64
72
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9
18
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45
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63
72
81
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108
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11
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33
44
55
66
77
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110
121
132
12
0
12
24
36
48
60
72
84
96
108
120
132
144

Why does 9 x 7 = 63?

Because adding 9 7's together makes 63.

That is, because 7 + 7 + 7 + 7 + 7 + 7 + 7 + 7 + 7 = 63.

Mathgrow

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