A dairy farm has 4 cowsheds, each with 2 cows. A total of 800 kg of feed is fed a day, how much feed is fed to each head on average?
奶牛场有4个牛棚，每个牛棚里有2头奶牛．一天共喂800千克饲料，平均每头喂多少饲料？
<gadget id="calculator">2 * 4</gadget>
<output>8</output>

<gadget id="calculator">800 / 8</gadget>
<output>100</output>

<result>100</result>