Put a layer of cement on the bottom and inner walls of a cuboid swimming pool with a length of 60 meters, a width of 2.5 meters, and a depth of 2 meters. What is the area of the cement in square meters?
在一个长60米，宽2.5米，深2米的长方体游泳池的底面和内壁抹一层水泥，抹水泥的面积是多少平方米．
<gadget id="calculator">60 * 2.5</gadget>
<output>150</output>

<gadget id="calculator">2.5 * 2</gadget>
<output>5</output>

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

<gadget id="calculator">150 + 5 + 120</gadget>
<output>275</output>

<gadget id="calculator">275 * 2</gadget>
<output>550</output>

<gadget id="calculator">550 - 150</gadget>
<output>400</output>

<result>400</result>