The sum of the length and width of a rectangle is 32 cm, and its perimeter is equal to the perimeter of a square. What is the side length of the square?
一个长方形，它的长和宽的和是32厘米，它的周长与一个正方形的周长相等，正方形的边长是多少？
<gadget id="calculator">2 / 4</gadget>
<output>1/2 = around 0.5</output>

<gadget id="calculator">32 * (1/2)</gadget>
<output>16</output>

<result>16</result>