A cylindrical tin bucket is filled with water. After pouring out 60% of the water, there is still 24 liters of water. The bottom area of the bucket is 10 square decimeters. How many decimeters is the height of the bucket?
一个圆柱形铁皮水桶装满了水，把水倒出60%以后，还剩下24升水，桶的底面积是10平方分米，桶高多少分米？
<gadget id="calculator">60 / 100</gadget>
<output>3/5 = around 0.6</output>

<gadget id="calculator">1 - (3/5)</gadget>
<output>2/5 = around 0.4</output>

<gadget id="calculator">24 / (2/5) / 10</gadget>
<output>6</output>

<result>6</result>