The area of a rectangle is 169 square centimeters. If a point P is randomly selected in this rectangle, what is the minimum sum of the distances from point P to the four sides of the rectangle in centimeters?
在一个长方形的面积为169平方厘米．在这个长方形内任取一点P，则点P到长方形四边的距离之和最小值为多少厘米．
<gadget id="calculator">13 + 13</gadget>
<output>26</output>

<result>26</result>