In the "environmental protection activity", the first team recycled 126 used batteries, which was three times that of the second team. How many batteries did the second team recycle?
在"环保活动"中，第一小队回收废旧电池126节，是第二小队回收的3倍，第二小队回收了多少节电池？
<gadget id="calculator">126 / 3</gadget>
<output>42</output>

<result>42</result>