There is a rectangular playground with a length of 140 meters and a width of 80 meters. Xiao Ming ran 5 laps along the sports field, how many meters did Xiao Ming run?
有一个长方形的运动场，长140米，宽80米．小明沿着运动场跑5圈，小明跑了多少米？
<gadget id="calculator">140 + 80</gadget>
<output>220</output>

<gadget id="calculator">220 * 2 * 5</gadget>
<output>2_200</output>

<result>2_200</result>