Install street lamps on both sides of Renmin Road, one every 10 meters. If no street lamps are installed at both ends of the road, a total of 382 lamps need to be installed. How long is Renmin Road in meters?
在人民路的两侧装路灯，每隔10米装一盏．如果路的两端不装路灯，一共需要装382盏．人民路全长多少米？
<gadget id="calculator">382 / 2</gadget>
<output>191</output>

<gadget id="calculator">191 + 1</gadget>
<output>192</output>

<gadget id="calculator">10 * 192</gadget>
<output>1_920</output>

<result>1_920</result>