There are 3 people in Xiaowen's family, and they ate a total of 216 kilograms of rice in 6 months. How many kilograms of rice per person per month on average?
小文家有3口人，6个月共吃216千克大米，平均每人每月吃多少千克大米？
<gadget id="calculator">216 / 3 / 6</gadget>
<output>12</output>

<result>12</result>