The school football field is a rectangle with a length of 100 meters and a width of 75 meters. Liangliang ran 5 laps around the football field. How many meters did Liangliang run?
学校足球场是一个长100米，宽75米的长方形，亮亮围着这个足球场跑了5圈，亮亮跑了多少米？
<gadget id="calculator">100 + 75</gadget>
<output>175</output>

<gadget id="calculator">175 * 2 * 5</gadget>
<output>1_750</output>

<result>1_750</result>