If a rectangle with a length of 8 cm and a width of 4 cm is divided into two equal squares, what is the perimeter of one of the squares in cm?
把一个长8厘米，宽4厘米的长方形分成两个大小相等的正方形，其中一个正方形的周长是多少厘米．
<gadget id="calculator">8 * 2</gadget>
<output>16</output>

<result>16</result>