A rectangular playground is 45 meters long and 35 meters wide. Dandan ran 6 laps around the playground. How many meters did she run in total?
一个长方形操场，长45米宽35米，蛋蛋围绕这个操场跑了6圈，一共跑了多少米？
<gadget id="calculator">45 + 35</gadget>
<output>80</output>

<gadget id="calculator">80 * 2 * 6</gadget>
<output>960</output>

<result>960</result>