Use 12 cm wire to make a square wire basket, what is the length of the side of the wire basket in cm?
用12厘米铁丝做一个正方形铁丝筐，铁丝筐的边长是多少厘米．
<gadget id="calculator">12 / 4</gadget>
<output>3</output>

<result>3</result>