The Xiangfan Stadium is a cylinder with a diameter of about 400 meters. Uncle Wang has to run around the stadium 4 times every morning, how many meters in total?
襄樊市体育场是一个直径大约是400米的圆柱形，王叔叔每天早上要绕体育场跑跑4圈一共大约跑多少米？
<gadget id="calculator">3.14 * 400 * 4</gadget>
<output>5_024</output>

<result>5_024</result>