On Teacher's Day, among the 42 students in Class 1 of June, (1/3) students went to the classroom to decorate the classroom in advance, and the students who participated in making greeting cards for the teacher were (8/7) times the students who arranged the classroom. How many students participated Want to make a greeting card?
教师节那天，六1班42人中，有(1/3)的同学提前到教室布置教室，而参加给老师制作贺卡的同学是布置教室同学的(8/7)倍，有多少名同学参加了制作贺卡？
<gadget id="calculator">1 / 3</gadget>
<output>1/3 = around 0.333333</output>

<gadget id="calculator">8 / 7</gadget>
<output>8/7 = around 1.142857</output>

<gadget id="calculator">42 * (1/3) * (8/7)</gadget>
<output>16</output>

<result>16</result>