The school has a rectangular playground, 55 meters long and 35 meters wide. In physical education class, Zhang Ming ran 2 laps around the playground. How many meters did he run in total?
学校有一个长方形的操场，长55米，宽35米．体育课上，张明围着操场跑了2圈．他一共跑了多少米？
<gadget id="calculator">55 + 35</gadget>
<output>90</output>

<gadget id="calculator">90 * 2 * 2</gadget>
<output>360</output>

<result>360</result>