There is a cube rubber with a side length of 8 cm, and it is cut into a cylinder. What is the maximum volume of this cylinder in cubic centimeters?
有一个棱长为8厘米的正方体橡皮，把它削成一个圆柱，这个圆柱的体积最大是多少立方厘米．
<gadget id="calculator">8 / 2</gadget>
<output>4</output>

<gadget id="calculator">4 ** 2</gadget>
<output>16</output>

<gadget id="calculator">3.14 * 16 * 8</gadget>
<output>401.92</output>

<result>401.92</result>