A large square with a perimeter of 16 cm is folded in half twice and divided into 4 small squares. What is the perimeter of each small square in cm?
把一个周长为16厘米的大正方形对折两次，分成了4个小正方形，每个小正方形的周长是多少厘米．
<gadget id="calculator">16 / 4 / 2</gadget>
<output>2</output>

<gadget id="calculator">2 * 4</gadget>
<output>8</output>

<result>8</result>