In a processing factory, 4 rice mills mill a total of 3,600 kilograms of rice in 3 hours. On average, how many kilograms of rice is milled per hour by each rice mill?
一个加工厂，4台碾米机3小时共碾米3600千克，平均每台碾米机每小时碾米多少千克？
<gadget id="calculator">3_600 / 4 / 3</gadget>
<output>300</output>

<result>300</result>