Cut a cube of wood with an edge length of 12 cm into the largest cylinder, what is the radius of the bottom of the cylinder in cm?
把棱长是12厘米的正方体木料，削成一个最大的圆柱体，圆柱底面的半径是多少厘米．
<gadget id="calculator">12 / 2</gadget>
<output>6</output>

<result>6</result>