Hongzhi School sent three phalanxes to participate in the aerobics performance held in Zhengzhou City. Each phalanx has 6 rows and 18 people in each row. How many people participated in the aerobics show?
宏志学校派三个方阵参加郑州市举行的健身操表演，每个方阵有6列，每列18人．参加健身操表演的共有多少人？
<gadget id="calculator">18 * 6 * 3</gadget>
<output>324</output>

<result>324</result>