A piece of iron wire can be folded into a rectangle with a length of 14 cm and a width of 10 cm. If the wire is folded into a square, what is the side length of the square?
一根铁丝能折成一根长14厘米、宽10厘米的长方形．如果把这根铁丝改折成一个正方形，正方形的边长是多少厘米？
<gadget id="calculator">14 + 10</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>