Students do exercises, 24 people in each row, 10 rows can be arranged, if there are 30 people in each row, how many rows should be arranged?
同学们做操，每行排24人，可排10行，如果每排30人，只要排多少行？
<gadget id="calculator">10 / 30</gadget>
<output>1/3 = around 0.333333</output>

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

<result>8</result>