How many pieces of such cubes should be used to form a large cube from cubes with an edge length of 2 cm?
用棱长为2厘米的正方体木块拼成一个大正方体，至少要用多少块这样的正方体木块．
<gadget id="calculator">2 * 2 * 2</gadget>
<output>8</output>

<result>8</result>