There are 6 classes in grades 3, 4, and 5 in a certain elementary school. 12 students should be selected from each class of these three grades to participate in the school group dance competition. How many students will participate in the competition?
某小学三、四、五年级各有6个班，要从这三个年级每个班选出12名同学参加校园集体舞比赛，一共有多少名学生参加比赛？
<gadget id="calculator">6 * 3 * 12</gadget>
<output>216</output>

<result>216</result>