There are 6 cowsheds on a dairy farm, and there are 13 cows in each cowshed. A cow needs to eat 20 kg of feed every day. How many kilograms of feed does this dairy farm need per day?
奶牛场有6个牛棚，每个牛棚里有13头奶牛．一头奶牛每天要吃20千克饲料．这个奶牛场一天需要多少千克饲料？
<gadget id="calculator">13 * 6 * 20</gadget>
<output>1_560</output>

<result>1_560</result>