If the length, width, and height of a cuboid are enlarged to 5 times the original, the surface area will be enlarged to how many times the original.
一个长方体的长、宽、高都扩大到原来的5倍，表面积就扩大到原来的多少倍．
<gadget id="calculator">5 * 5</gadget>
<output>25</output>

<result>25</result>