Cut a cylindrical piece of wood into the largest cone, the volume of the cut part of the wood is 6dm**3. What is the volume of the original cylindrical wood dm**3.
把一根圆柱形木头削成一个最大的圆锥，削去部分木头的体积是6dm**3．原来圆柱形木头的体积是多少dm**3．
<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>

<result>9</result>