The second class of the fifth year participated in the tree planting. If each person planted 7 trees, there would be 18 trees missing. If each person planted 5 trees, there would be 14 trees left. How many people in the second class of the fifth year participated in the tree planting?
五年二班参加植树，如果每人植7棵，就缺少18棵，如果每人植5棵，就剩14棵．五年二班参加植树的有多少人？
<gadget id="calculator">18 + 14</gadget>
<output>32</output>

<gadget id="calculator">7 - 5</gadget>
<output>2</output>

<gadget id="calculator">32 / 2</gadget>
<output>16</output>

<result>16</result>