Cut a 10cm*10cm*10cm cube into 1cm*1cm*1cm cubes. Use these small cubes to re-glue into a large cube that allows holes in the interior but no holes on the surface. This hollow cube should be as large as possible. Then the maximum number of unused small cubes is the number of the following options
将一个10cm*10cm*10cm的正方体切为1cm*1cm*1cm的小正方体．用这些小正方体重新粘合成为一个内部允许有空洞但表面无空洞的大正方体，这个空心的正方体要尽可能的大．那么剩下来没有用到的小正方体个数最多是下列选项中的多少
<gadget id="calculator">10 * 10 * 10</gadget>
<output>1_000</output>

<gadget id="calculator">1_000 - 866</gadget>
<output>134</output>

<result>134</result>