Four squares of the same size form a rectangle with an area of 100 square centimeters. What is the perimeter of the rectangle in centimeters?
四个同样大小的正方形拼成了一个面积为100平方厘米的长方形，这个长方形的周长是多少厘米？
<gadget id="calculator">4 * 5</gadget>
<output>20</output>

<gadget id="calculator">20 + 5</gadget>
<output>25</output>

<gadget id="calculator">25 * 2</gadget>
<output>50</output>

<result>50</result>