240 people line up in 4 square teams to do exercises, and each square team stands in 5 rows. How many people per row on average?
240人排成4个方队做操，每个方队站成5列．平均每列站多少人？
<gadget id="calculator">240 / 4 / 5</gadget>
<output>12</output>

<result>12</result>