The volume of a cylindrical bucket is 24 cubic decimeters, the bottom area is 7.5 square decimeters, and 25% of the water is filled inside. What is the height of the water surface in decimeters?
一个圆柱水桶的体积是24立方分米，底面积是7.5平方分米，里面装了25%的水，水面高是多少分米？
<gadget id="calculator">25 / 100</gadget>
<output>1/4 = around 0.25</output>

<gadget id="calculator">(1/4) / 7.5</gadget>
<output>0.033333</output>

<gadget id="calculator">24 * 0.033333</gadget>
<output>0.799992</output>

<result>0.799992</result>