A cylindrical tin oil barrel has 24 liters left after pouring out 75% of the gasoline. The bottom area of the oil barrel is 10 square decimeters. How many decimeters is the height of the oil barrel?
一个圆柱形铁皮油桶倒出75%的汽油后还剩24升，油桶的底面积是10平方分米，油桶高多少分米？
<gadget id="calculator">75 / 100</gadget>
<output>3/4 = around 0.75</output>

<gadget id="calculator">1 - (3/4)</gadget>
<output>1/4 = around 0.25</output>

<gadget id="calculator">24 / (1/4) / 10</gadget>
<output>48/5 = around 9.6</output>

<result>48/5 = around 9.6</result>