A rectangular sports field is 120 meters long and 80 meters wide. Students run 2 laps along the field for morning exercises. How many meters do they run every day?
一个长方形的运动场，长120米，宽80米，同学们上早操沿运动场跑2圈，每天跑多少米？
<gadget id="calculator">120 + 80</gadget>
<output>200</output>

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

<result>800</result>