Cut a cylinder into the largest cuboid, cut off 34.2 cubic centimeters, and then cut this rectangle into the largest cone, how many cubic centimeters should you cut off.
将一个圆柱体削成一个最大的长方体，削去34.2立方厘米，再将这个长方你削成一个最大的圆锥体，还要削掉多少立方厘米．
<gadget id="calculator">0.86 / 4</gadget>
<output>0.215</output>

<gadget id="calculator">60 * 0.215</gadget>
<output>12.9</output>

<result>12.9</result>