There are 8 cowsheds in the dairy farm, and there are 5 cows in each cowshed. A total of 800 kg of feed is fed a day. How many kg of feed is fed to each cow on average?
奶牛场有8个牛棚，每个牛棚里有5头奶牛，一天共喂800千克饲料，平均每头奶牛喂多少千克饲料？
<gadget id="calculator">5 * 8</gadget>
<output>40</output>

<gadget id="calculator">800 / 40</gadget>
<output>20</output>

<result>20</result>