There are 5 rectangles that can fit together into a large square. The length and width of each of these 5 rectangles are exactly two of the 10 natural numbers 1-10. What is the minimum area of this square?
有5个长方形正好能拼成一个大正方形，这5个长方形中每一个长方形的长与宽的长度，正好分别是1-10这10个自然数中的某两个．那么这个正方形的最小面积是多少．
<gadget id="calculator">11 * 11 * 3 * 5</gadget>
<output>1_815</output>

<result>1_815</result>