Cut a piece of cylindrical wood with a volume of 42.9 cubic decimeters into the largest cone, what is the volume of this cone?
把一段体积是42.9立方分米的圆柱形木材，切成一个最大的圆锥，这个圆锥的体积是多少立方分米．
<gadget id="calculator">1 / 3</gadget>
<output>1/3 = around 0.333333</output>

<gadget id="calculator">42.9 * (1/3)</gadget>
<output>14.3</output>

<result>14.3</result>