There are 8 cowsheds in Guangzhixing Dairy Farm, and 15 cows are raised in each cowshed. This dairy farm needs to feed 2400 kg of feed every day, how many kg of feed does each cow eat per day on average?
光之星奶牛场有8个牛棚，每个牛棚里圈养了15头奶牛．这个奶牛场每天要喂2400千克饲料，平均每头奶牛每天要吃多少千克饲料？
<gadget id="calculator">15 * 8</gadget>
<output>120</output>

<gadget id="calculator">2_400 / 120</gadget>
<output>20</output>

<result>20</result>