Processing a batch of parts, 15 workers processed 540 parts in 6 hours. On average, each worker processes less per hour?
加工一批零件，15个工人6小时加工了540个．平均每个工人每小时加工少个？
<gadget id="calculator">540 / 15 / 6</gadget>
<output>6</output>

<result>6</result>