A square playground has a side length of 200 meters. Xiao Fang runs around the playground every day. How many meters does Xiao Fang run every day?
一个正方形的操场，边长是200米，小方每天沿操场跑一圈，小方每天约跑多少米．
<gadget id="calculator">200 * 4</gadget>
<output>800</output>

<result>800</result>