A barrel of peanut oil is used (1/4) in the first week and (1/5) in the second week, and 250 grams more is used in the first week than in the second week. How many kilograms of this barrel of peanut oil are there?
一桶花生油，第一周用去(1/4)，第二周用去(1/5)，第一周比第二周多用了250克，这桶花生油一共有多少千克？
<gadget id="calculator">10_000 / 1_000</gadget>
<output>10</output>

<result>10</result>