A rectangle with a perimeter of 60 cm can be divided into 5 smaller squares with the same area. What is the area of this rectangle in square centimeters?
一个周长为60厘米的长方形可分割为5个面积相同的小正方形，这个长方形的面积是多少平方厘米？
<gadget id="calculator">25 * 5</gadget>
<output>125</output>

<result>125</result>