Class 5 and 1 carry out group activities, every group of 2 people, every group of 3 people, every group of 7 people is just finished, so how many people are there at least in this class?
五1班进行分组活动，每2人一组，每3人一组，每7人一组都正好分完，那么这个班至少有多少人？
<gadget id="calculator">2 * 3 * 7</gadget>
<output>42</output>

<result>42</result>