The perimeter of a rectangle is 24 cm. It can be cut into two squares of the same size by cutting along the length. What is the perimeter of each square?
一个长方形的周长是24厘米，沿着长剪正好能把它剪成两个大小一样的正方形，每个正方形的周长是多少．
<gadget id="calculator">4 * 4</gadget>
<output>16</output>

<result>16</result>