The volume of a cylinder is 12dm**3, if it is cut into the largest cone, how much dm**3 is the cut off part?
一个圆柱的体积是12dm**3，把它削成一个最大的圆锥，削去的部分是多少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">12 * (2/3)</gadget>
<output>8</output>

<result>8</result>