The volume of a cylindrical bucket is 48 cubic decimeters, the bottom area is 8 square decimeters, and (2/3) bucket of water is filled, how many decimeters is the water surface from the mouth of the bucket?
一个圆柱形水桶的体积是48立方分米，底面积是8平方分米，装有(2/3)桶水，水面离桶口有多少分米？
<gadget id="calculator">48 / 8</gadget>
<output>6</output>

<gadget id="calculator">2 / 3</gadget>
<output>2/3 = around 0.666667</output>

<gadget id="calculator">(2/3) / 8</gadget>
<output>1/12 = around 0.083333</output>

<gadget id="calculator">48 * (1/12)</gadget>
<output>4</output>

<gadget id="calculator">6 - 4</gadget>
<output>2</output>

<result>2</result>