Students in class 11 of the 11th session do radio gymnastics. If there are 8 people standing in each row, they need to stand in 6 rows. If there are 4 more people in each row, how many rows do they need to stand in?
11届11班同学做广播体操，如果每行站8人，需要站6行，如果每行增加4人，需要站多少行．
<gadget id="calculator">6 / 4</gadget>
<output>3/2 = around 1.5</output>

<gadget id="calculator">8 * (3/2)</gadget>
<output>12</output>

<result>12</result>