14. The product of 71427 and 19, when divided by 7, leaves a remainder of what?
14. 【Solution】71427 divided by 7, the remainder is 6, 19 divided by 7, the remainder is 5, so $71427 \times 19$ divided by 7, the remainder is the remainder of $6 \times 5$ divided by 7, which is 2.