Four small squares with a side length of 4 meters are put together to form a large square. What is the perimeter of this large square in meters?
把边长是4米的四个小正方形拼成一个大正方形，这个大正方形的周长是多少米
<gadget id="calculator">4 + 4</gadget>
<output>8</output>

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

<result>32</result>