A square square has a side length of 200 meters. Xiaohong runs around the square every day. How many meters does she run every day?
一个正方形的广场，边长是200米，小红每天为广场跑一圈，她每天跑多少米．
<gadget id="calculator">200 * 4</gadget>
<output>800</output>

<result>800</result>