If the side length of the big cube is twice the side length of the small cube, then how many times the volume of the big cube is the volume of the small cube.
大正方体的棱长是小正方体棱长的2倍，则大正方体的体积是小正方体体积的多少倍．
<gadget id="calculator">2 / 1</gadget>
<output>2</output>

<gadget id="calculator">2 * 2 * 2 * 1 * 1</gadget>
<output>8</output>

<result>8</result>