The school held a broadcasting exercise competition. The sixth-grade teams were arranged in 14 rows, with equal numbers in each row. Marx and Lenin stood in one of the rows. He was fifth from the front, and eighth from the back. How many students in the sixth grade participated in the broadcasting exercise competition?
学校举行广播操比赛，六年级代表队共排成14列，每列人数相等，马列站在其中的一列中，从前面数过去他在第五位，从后面数过来，他在第八位，六年级共有多少学生参加广播操比赛？
<gadget id="calculator">8 - 1</gadget>
<output>7</output>

<gadget id="calculator">5 + 7</gadget>
<output>12</output>

<gadget id="calculator">12 * 14</gadget>
<output>168</output>

<result>168</result>