A box of candies is distributed to 6 or 7 classmates on average, and all of them are distributed exactly. What is the minimum amount of candies in this box?
一盒糖果，平均分给6个同学或7个同学，都正好分完，这盒糖果至少多少块．
<gadget id="calculator">6 * 7</gadget>
<output>42</output>

<result>42</result>