The students planted 24 trees in each row, and exactly 6 rows were planted. If 6 trees were planted less in each row, how many rows would need to be planted?
同学们植树，每行24棵，正好植6行，如果每行少植6棵，需要植多少行？
<gadget id="calculator">24 - 6</gadget>
<output>18</output>

<gadget id="calculator">6 / 18</gadget>
<output>1/3 = around 0.333333</output>

<gadget id="calculator">24 * (1/3)</gadget>
<output>8</output>

<result>8</result>