The football field is a rectangle, 80 meters long and 30 meters wide. Zhang Ming ran 3 laps along the football field. How many meters did he run in total?
足球场是一个长方形，长80米，宽30米，张明沿足球场跑了3圈，他共跑了多少米？
<gadget id="calculator">80 + 30</gadget>
<output>110</output>

<gadget id="calculator">110 * 2 * 3</gadget>
<output>660</output>

<result>660</result>