A rectangular playground is 120 meters long and 80 meters wide. Xiaoqiang ran two laps along the edge of the playground. How many meters did he run in total?
一个长方形的操场长120米，宽80米，小强沿着操场的边沿跑了两圈，他一共跑了多少米？
<gadget id="calculator">120 + 80</gadget>
<output>200</output>

<gadget id="calculator">200 * 2 * 2</gadget>
<output>800</output>

<result>800</result>