How many small cubes with sides 1 cm can be formed from a cube with side length 2 cm.
一个棱长为2厘米的正方体，可以由多少个棱长1厘米的小正方体堆成．
<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>