The length of a side is 8 cm. If the largest cylinder is dug inward from the bottom of the cube, what percentage of the volume of the original cube is the remaining volume?
一个棱长是8厘米，从正方体的底面向内挖去一个最大的圆柱体，求剩下的体积是原来正方体的体积的百分之几？
<gadget id="calculator">8 ** 3</gadget>
<output>512</output>

<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>

<gadget id="calculator">512 - 401.92</gadget>
<output>110.08</output>

<gadget id="calculator">110.08 / 512</gadget>
<output>0.215</output>

<result>0.215</result>