At least how many such small cubes are used to assemble a slightly larger cube from small cubes with side lengths of 8 cm.
用棱长为8厘米的小正方体拼成一个稍大的正方体至少要用多少个这样的小正方体．
<gadget id="calculator">2 * 2 * 2</gadget>
<output>8</output>

<result>8</result>