The school holds a group gymnastics performance. If there are 25 people in each row, there should be 24 rows. If there are 20 people in each row, how many rows are there?
学校举行团体操表演，如果每列25人，要排24列．如果每列20人，要排多少列？
<gadget id="calculator">24 / 20</gadget>
<output>6/5 = around 1.2</output>

<gadget id="calculator">25 * (6/5)</gadget>
<output>30</output>

<result>30</result>