Let's calculate: 715 + 712 7×4 + 7×515×4 ℹ7×4 = 28‖7×5 = 35‖15×4 = 60 28 + 3560 ℹ28 + 35 = 63 6360 ▶Result: 2120 The approximate value of: 2120 is: ▷ 1.05