Xiaopang’s family has two barrels of oil, both of which were 10 liters. Xiaopang’s mother ate one barrel of oil for 12 days, consuming 40ml every day. How many milliliters is the difference between the two barrels of oil now?
小胖家有两桶油，原先都是10升，小胖妈妈将一桶油吃了12天，每天吃40毫升．现在这两桶油相差多少毫升？
<gadget id="calculator">40 / 1_000</gadget>
<output>1/25 = around 0.04</output>

<gadget id="calculator">(1/25) * 12</gadget>
<output>12/25 = around 0.48</output>

<result>12/25 = around 0.48</result>