A cylindrical piece of wood is 3 decimeters long and the diameter of the bottom is 2 decimeters. If this wood is cut into a largest cone, what is the volume of the cut part in cubic decimeters?
一根圆柱形木材，长3分米，底面直径是2分米，如果把这根木材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 / 2</gadget>
<output>1</output>

<gadget id="calculator">1 ** 2</gadget>
<output>1</output>

<gadget id="calculator">2 / 3</gadget>
<output>2/3 = around 0.666667</output>

<gadget id="calculator">3.14 * 1 * 3 * (2/3)</gadget>
<output>6.28</output>

<result>6.28</result>