The Young Pioneers planted trees. The first team had 12 people, and each person planted 6 trees on average. The second team had 8 people, and each person planted 9 trees on average. How many trees were planted by each member of the two teams on average?
少先队员植树，第一小队12人，平均每人植6棵，第二小队8人，平均每人植9棵，两队队员平均每人植树多少棵？
<gadget id="calculator">12 * 6</gadget>
<output>72</output>

<gadget id="calculator">9 * 8</gadget>
<output>72</output>

<gadget id="calculator">72 + 72</gadget>
<output>144</output>

<gadget id="calculator">12 + 8</gadget>
<output>20</output>

<gadget id="calculator">144 / 20</gadget>
<output>36/5 = around 7.2</output>

<result>36/5 = around 7.2</result>