The students are doing radio gymnastics. There are 12 people standing in each row, exactly 12 rows. If there are 9 people standing in each row, how many rows can they stand?
同学们做广播体操，每行站12人，正好站12行，如果每行站9人，可以站几行？
<gadget id="calculator">12 * 12</gadget>
<output>144</output>

<gadget id="calculator">144 / 9</gadget>
<output>16</output>

<result>16</result>