The volume difference between two cubes is 240cm**3. If one face of the cube is used as the base to form the largest cone, how much is the volume difference between the two cones in cm**3?
两个正方体木块体积之差为240cm**3，如果以正方体的一个面为底加工成最大的圆锥，则两个圆锥形木块的体积相差多少cm**3．
<gadget id="calculator">1 / 12</gadget>
<output>1/12 = around 0.083333</output>

<gadget id="calculator">(1/12) * 3.14 * 240</gadget>
<output>62.8</output>

<result>62.8</result>