82 * 5 = (41 * 2) * 5 = 41 * 10 = 410
28 * 25 = (14 * 2) * 25 = 14 * 50 = 700
125 * 88 = 125 * (44 * 2) = 250 * 44 = 11000
82 * 5 = (41 * 2) * 5 = 41 * 10 = 410
28 * 25 = (14 * 2) * 25 = 14 * 50 = 700
125 * 88 = 125 * (44 * 2) = 250 * 44 = 11000