If 5 x 3 x 2 = 13 then 10 x 8 x 7 = ??

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If 5 x 3 x 2 = 13

If,
5 x 3 x 2 = 13
6 x 4 x 3 = 21
7 x 5 x 4 = 31
8 x 6 x 5 = 43
9 x 7 x 6 = 57

Then
10 x 8 x 7 = ??

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The Logic is : Multiply the first 2 Numbers and subtract the 3rd Number :
5 x 3 x 2 = 15 - 2 = 13
6 x 4 x 3 = 24 - 3 = 21
7 x 5 x 4 = 35 - 4 = 31
8 x 6 x 5 = 48 - 5 = 43
9 x 7 x 6 = 63 - 6 = 57
Hence,
10 x 8 x 7 = 80 - 7 = 73
Answer is 73