If each person collects 3 plastic bottles per day, how many can 54 people in our class collect in a week?
如果每人每天收集3个塑料瓶，我们班54个人一个星期可以收集多少个？
<gadget id="calculator">3 * 54 * 7</gadget>
<output>1_134</output>

<result>1_134</result>