hexagon is folded with a lead wire, and each side is 12 cm. If it is folded into a square, what is the side length of the square in cm?
一个用铅丝折成的六边形，它的每条边都是12厘米，要是把它改折成一个正方形，这个正方形的边长是多少厘米？
<gadget id="calculator">6 / 4</gadget>
<output>3/2 = around 1.5</output>

<gadget id="calculator">12 * (3/2)</gadget>
<output>18</output>

<result>18</result>