How many times is the surface area of a cube with side length 6 cm larger than the surface area of a cube with side length 3 cm?
棱长为6厘米的正方体的表面积是棱长为3厘米的正方体的表面积的多少倍．
<gadget id="calculator">6 * 6 * 6</gadget>
<output>216</output>

<gadget id="calculator">3 * 3 * 6</gadget>
<output>54</output>

<gadget id="calculator">216 / 54</gadget>
<output>4</output>

<result>4</result>