5 horses eat 60 kilograms of grass every day. According to this calculation, how many kilograms of grass can 25 horses eat in a week?
5匹马每天吃60千克草，照这样计算，25匹马，一星期可吃多少千克草？
<gadget id="calculator">60 / 5</gadget>
<output>12</output>

<gadget id="calculator">12 * 25 * 7</gadget>
<output>2_100</output>

<result>2_100</result>