To cut a cylinder with a volume of 72cm**3 into the largest cone, how many cm**3 should be cut.
把一个体积是72cm**3的圆柱削成一个最大的圆锥，要削去多少cm**3．
<gadget id="calculator">1 / 3</gadget>
<output>1/3 = around 0.333333</output>

<gadget id="calculator">72 * (1/3)</gadget>
<output>24</output>

<gadget id="calculator">72 - 24</gadget>
<output>48</output>

<result>48</result>