How many cubes are needed to make a slightly larger cube out of small cubes with a side length of 1 decimeter.
用棱长1分米的小正方体搭成一个稍大的正方体，至少需要多少块．
<gadget id="calculator">2 * 2 * 2</gadget>
<output>8</output>

<gadget id="calculator">1 * 1 * 1</gadget>
<output>1</output>

<gadget id="calculator">8 / 1</gadget>
<output>8</output>

<result>8</result>