A barrel of oil weighs 54 kilograms in total. After pouring out (5/8) of the oil, the remaining oil barrel weighs 24 kilograms. How many kilograms of oil can be contained in the barrel?
一桶油连桶共重54千克，倒出油的(5/8)后，剩下的油连桶重24千克，油桶盛油多少千克？
<gadget id="calculator">54 - 24</gadget>
<output>30</output>

<gadget id="calculator">5 / 8</gadget>
<output>5/8 = around 0.625</output>

<gadget id="calculator">30 / (5/8)</gadget>
<output>48</output>

<result>48</result>