Uncles of the People's Liberation Army line up. If there are 16 people in each row, they should line up in 12 rows; if there are 6 people in each row, how many rows should they line up?
解放军叔叔列队，如果每排16人，要排成12排；如果每排6人，要排多少排？
<gadget id="calculator">12 / 6</gadget>
<output>2</output>

<gadget id="calculator">16 * 2</gadget>
<output>32</output>

<result>32</result>