If a cylindrical wood with a volume of 9.42 cubic decimeters is cut into a cone with the same base and height, how much cubic decimeters will be reduced in volume?
把一个体积是9.42立方分米的圆柱形木料，削成一个和它等底等高的圆锥，体积减少多少立方分米．
<gadget id="calculator">1 / 3</gadget>
<output>1/3 = around 0.333333</output>

<gadget id="calculator">9.42 * (1/3)</gadget>
<output>3.14</output>

<gadget id="calculator">9.42 - 3.14</gadget>
<output>6.28</output>

<result>6.28</result>