A swimming pool is 160 meters long, 75 meters wide and 2.5 meters deep on average. Apply a layer of cement to the four walls and the bottom of the swimming pool. How many square meters is the area covered with cement?
一个游泳池长160米，宽75米，平均深2.5米．在游泳池的四壁和底涂上一层水泥，涂水泥的面积是多少平方米？
<gadget id="calculator">160 * 75</gadget>
<output>12_000</output>

<gadget id="calculator">160 * 2.5 * 2</gadget>
<output>800</output>

<gadget id="calculator">75 * 2.5 * 2</gadget>
<output>375</output>

<gadget id="calculator">12_000 + 800 + 375</gadget>
<output>13_175</output>

<result>13_175</result>