To cut a cylinder with a volume of 9.42 cubic decimeters into the largest cone, how many cubic decimeters should be cut.
把一个体积是9.42立方分米的圆柱体削成一个最大的圆锥，应该削去多少立方分米．
<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>