If a square of side length 8 cm is equally divided into 4 smaller squares, what is the perimeter of each smaller square in cm?
把边长为8厘米的正方形平均分成4个小正方形，则每个小正方形的周长是多少厘米
<gadget id="calculator">8 / 2</gadget>
<output>4</output>

<gadget id="calculator">4 * 4</gadget>
<output>16</output>

<result>16</result>