Students do radio exercises, 20 people stand in each row, exactly 6 rows. How many rows can 12 people stand in each row?
同学们做广播操，每行站20人，正好站6行．如果每行12人能站几行？
<gadget id="calculator">6 / 12</gadget>
<output>1/2 = around 0.5</output>

<gadget id="calculator">20 * (1/2)</gadget>
<output>10</output>

<result>10</result>