Spring is here, and the students of the 52nd Squadron went to plant trees. A team of 8 people planted 19 trees in total, a team of 9 people in the second team planted 15 trees, and a team of 7 people in the third team planted 2 trees per person.
春天到了，五二中队的同学们去植树．一小队8个人共植树19棵，二小队9个人共植树15棵，三小队7人，每人植树2棵，五二中队平均每人植树多少棵？
<gadget id="calculator">7 * 2</gadget>
<output>14</output>

<gadget id="calculator">19 + 15 + 14</gadget>
<output>48</output>

<gadget id="calculator">8 + 9 + 7</gadget>
<output>24</output>

<gadget id="calculator">48 / 24</gadget>
<output>2</output>

<result>2</result>