The school playground is a rectangle with a length of 100 meters and a width of 75 meters. Teacher Wang runs along the edge of the playground twice a day. How many meters does Mr. Wang run every day?
学校操场是一个长100米，宽75米的长方形，王老师每天都沿着这个操场边缘跑2圈．王老师每天跑多少米？
<gadget id="calculator">100 + 75</gadget>
<output>175</output>

<gadget id="calculator">175 * 2 * 2</gadget>
<output>700</output>

<result>700</result>