Cut a cylinder of wood into the largest cone, the cut part is 6 cubic decimeters, what is the volume of this cone of wood in cubic decimeters?
将一个圆柱体木料削成一个最大的圆锥体，削去部分是6立方分米，这个圆锥体木料的体积是多少立方分米．
<gadget id="calculator">1 / 3</gadget>
<output>1/3 = around 0.333333</output>

<gadget id="calculator">1 - (1/3)</gadget>
<output>2/3 = around 0.666667</output>

<gadget id="calculator">6 / (2/3)</gadget>
<output>9</output>

<gadget id="calculator">9 * (1/3)</gadget>
<output>3</output>

<result>3</result>