A cuboid swimming pool is 60 meters long, 40 meters wide, and 2 meters deep. Now it is necessary to plaster a layer of cement on the four walls and bottom. How many square meters is the area to be plastered?
一个长方体的游泳池，长60米，宽40米，深2米，现在要在四壁和底面抹一层水泥，抹水泥的面积是多少平方米？
<gadget id="calculator">60 * 40</gadget>
<output>2_400</output>

<gadget id="calculator">40 * 2</gadget>
<output>80</output>

<gadget id="calculator">2 * 60</gadget>
<output>120</output>

<gadget id="calculator">2_400 + 80 + 120</gadget>
<output>2_600</output>

<gadget id="calculator">2_600 * 2</gadget>
<output>5_200</output>

<gadget id="calculator">5_200 - 2_400</gadget>
<output>2_800</output>

<result>2_800</result>