Use some small cubes with a side length of 2 cm to form a larger cube. What is the minimum volume of this cube in cubic centimeters?
用一些棱长是2厘米的小正方体，拼成一个大一些的正方体，这个正方体的体积至少是多少立方厘米．
<gadget id="calculator">2 * 2 * 2</gadget>
<output>8</output>

<gadget id="calculator">2 * 2 * 2 * 8</gadget>
<output>64</output>

<result>64</result>