A rectangular playground is 100 meters long and 40 meters wide. Teacher Li ran 5 laps around the playground. How many meters did Mr. Li run in total?
一个长方形操场，长是100米，宽是40米，李老师围着这个操场跑了5圈．李老师一共跑了多少米？
<gadget id="calculator">100 + 40</gadget>
<output>140</output>

<gadget id="calculator">140 * 2 * 5</gadget>
<output>1_400</output>

<result>1_400</result>