Students in the third grade do exercises, if there are 9 people in each row, they can stand in 16 rows; if there are 8 people in each row, how many rows can they stand in?
三年级的同学做操，如果每排站9人，可以站16排；如果每排站8人，可以站多少排？
<gadget id="calculator">16 / 8</gadget>
<output>2</output>

<gadget id="calculator">9 * 2</gadget>
<output>18</output>

<result>18</result>