Students stand in a line with 12 people in each row, and you can stand in 3 rows. If you stand in 4 rows, how many people can stand in each row?
同学们站队，每排12人，可以站3排，如果站成了4排，每排能站多少人？
<gadget id="calculator">3 / 4</gadget>
<output>3/4 = around 0.75</output>

<gadget id="calculator">12 * (3/4)</gadget>
<output>9</output>

<result>9</result>