The football field is a rectangle, 100 meters long and 75 meters wide. Naughty ran 3 laps along the football field, how many meters did he run?
足球场是一个长方形，长100米，宽75米，淘气沿着足球场跑了3圈，跑了多少米．
<gadget id="calculator">100 + 75</gadget>
<output>175</output>

<gadget id="calculator">175 * 2</gadget>
<output>350</output>

<gadget id="calculator">350 * 3</gadget>
<output>1_050</output>

<result>1_050</result>