The perimeter of the large square is four times the perimeter of the small square. How many times is the area of the larger square larger than the area of the smaller square?
大正方形的周长是小正方形周长的4倍．那么大正方形的面积是小正方形面积的多少倍．
<gadget id="calculator">4 * 4</gadget>
<output>16</output>

<result>16</result>