The first group has 45 people, 3 times more than the second group, how many people are in the second group?
第一个小组45人，是第二个小组的3倍多3人，问第二个小组多少人？
<gadget id="calculator">45 - 3</gadget>
<output>42</output>

<gadget id="calculator">42 / 3</gadget>
<output>14</output>

<result>14</result>