A rope forms a rectangle with a length of 16 meters and a width of 8 meters. If it is changed to form a square, what is the side length of the enclosed square?
一根绳子围成一个长方形，长是16米，宽是8米，如果改围成一个正方形，那么围成的正方形边长是多少米？
<gadget id="calculator">16 + 8</gadget>
<output>24</output>

<gadget id="calculator">2 / 4</gadget>
<output>1/2 = around 0.5</output>

<gadget id="calculator">24 * (1/2)</gadget>
<output>12</output>

<result>12</result>