If the edge length of a cube is enlarged to 3 times its original size, its surface area will be enlarged to 9 times its original size, and its volume will be enlarged to how many times its original volume.
一个正方体棱长扩大到原来的3倍，它的表面积就扩大到原来的9倍，它的体积就扩大到原来的多少倍．
<gadget id="calculator">3 * 3 * 3</gadget>
<output>27</output>

<result>27</result>