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56 x 125

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56 x 125

7000

Half 56 to 28, and double 125 to 250. Then, half 28 again to 14, and double 250 again to 500. Then, half 14 again to 7, and double 500 again to 1000.Then, 56(125) = 28(250) = 14(500) = 7(1000) = 7000.

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