Xiao Ming runs 2 laps along a rectangular playground with a length of 300 meters and a width of 250 meters every morning. How many meters does he run every day?
小明每天早上沿长为300米，宽为250米的长方形操场跑2圈，他每天跑多少米？
<gadget id="calculator">300 + 250</gadget>
<output>550</output>

<gadget id="calculator">550 * 2 * 2</gadget>
<output>2_200</output>

<result>2_200</result>