A rectangular square is 500 meters long and 300 meters wide. Xiao Min ran 2 laps along the square, how many meters did he run in total?
一个长方形广场，长500米，宽300米，小敏沿广场跑了2圈，共跑了多少米？
<gadget id="calculator">500 + 300</gadget>
<output>800</output>

<gadget id="calculator">800 * 2 * 2</gadget>
<output>3_200</output>

<result>3_200</result>