Along a round square, install a street lamp every 10 meters, a total of 32 lights are needed. How many meters is the circumference of this round square?
沿着一个圆广场的一周，每隔10米安装一盏路灯，一共需要32盏，这个圆形广场的周长是多少米？
<gadget id="calculator">10 * 32</gadget>
<output>320</output>

<result>320</result>