Three identical water pumps irrigate 60 mu of farmland in 4 hours, how many mu of farmland will each irrigate on average per hour?
3台同样的抽水机4小时灌溉60亩农田，平均每台每小时灌溉农田多少亩？
<gadget id="calculator">60 / 3 / 4</gadget>
<output>5</output>

<result>5</result>