4 small squares with side lengths of 4 cm are put together to form a large square. What is the perimeter of the large square in cm?
把4个边长都是4厘米的小正方形拼成一个大正方形，这个大正方形的周长是多少厘米？
<gadget id="calculator">4 * 2</gadget>
<output>8</output>

<gadget id="calculator">8 * 4</gadget>
<output>32</output>

<result>32</result>