Multiply 88 times 25 using the doubling & halving trick.
Half of 88 = 44 Double of 25 = 50 88 x 25 = 44 x 50 Use the method again: Half of 44 = 22 Double of 50 = 100 88 x 25 = 44 x 50 = 22 x 100 = 2200