A swimming pool is 60 meters long, 40 meters wide, and 10 meters high. If cement is plastered on the bottom and surroundings of the pool, how many square meters will the cement be plastered on?
一个游泳池长60米，宽40米，高10米，如果在池的底面和四周抹水泥，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">60 * 10</gadget>
<output>600</output>

<gadget id="calculator">40 * 10</gadget>
<output>400</output>

<gadget id="calculator">2_400 + 600 + 400</gadget>
<output>3_400</output>

<gadget id="calculator">3_400 * 2</gadget>
<output>6_800</output>

<gadget id="calculator">6_800 - 2_400</gadget>
<output>4_400</output>

<result>4_400</result>