There are 3 uncles in the Limin Water Station who are responsible for delivering water to customers. A total of 270 barrels of water are delivered in 5 days. How many barrels of water are delivered per person per day on average?
利民水站有3位叔叔负责为客户送水，5天共送水270桶，平均每人每天送水多少桶？
<gadget id="calculator">270 / 5 / 3</gadget>
<output>18</output>

<result>18</result>