If a cylindrical wood with a volume of 45 cubic decimeters is cut into the largest cone, what is the volume of the cut part in cubic decimeters?
把一个体积45立方分米的圆柱形木头削成一个最大的圆锥，削去部分的体积是多少立方分米．
<gadget id="calculator">2 / 3</gadget>
<output>2/3 = around 0.666667</output>

<gadget id="calculator">45 * (2/3)</gadget>
<output>30</output>

<result>30</result>