Xiaohua cut the largest conical top out of a small piece of cylindrical wood with a base radius of 4 cm and a height of 9 cm. What is the volume of the top in cubic centimeters?
小华用底面半径是4厘米，高9厘米的一小段圆柱形木料削成了一个最大的圆锥形陀螺，陀螺的体积是多少立方厘米．
<gadget id="calculator">3.14 * 16 * 3</gadget>
<output>150.72</output>

<result>150.72</result>