rectangular playground is 45 meters long and 35 meters wide. Xiaoli ran 5 laps along the side of the playground. What is the area of the playground in square meters?
一个长方形操场，长45米，宽35米，小丽沿操场边跑了5圈，这个操场的面积是多少平方米？
<gadget id="calculator">45 * 35</gadget>
<output>1_575</output>

<result>1_575</result>