Yunyang Square is a rectangular square about 200 meters long and 100 meters wide. Uncle Li walks around the square for a week every morning. How many meters does Uncle Li run every day?
郧阳广场是一个长约200米，宽约100米的长方形的广场．李大爷每天早上要绕广场的周围漫步跑上一周．李大爷每天跑步多少米．
<gadget id="calculator">200 + 100</gadget>
<output>300</output>

<gadget id="calculator">300 * 2</gadget>
<output>600</output>

<result>600</result>