It really does make a difference

• A x B x C where

  • A is 10 x 100
  • B is 100 x 5
  • C is 5 x 50

• ((A x B) x C)

  • 10x100x5 + 10x5x50 = 7500

• (A x (B x C))

  • 10x100x50 + 100x5x50 = 75,000

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