Use small cubes with a side length of 1 decimeter to form a larger cube, at least how many such small cubes are needed.
用边长为1分米的小正方体，拼成一个较大的正方体，至少需要多少个这样的小正方体．
<gadget id="calculator">2 * 2 * 2</gadget>
<output>8</output>

<result>8</result>