The perimeter of the bottom of a swimming pool is 125.6 meters, and the height is 2 meters. If the inner wall of the swimming pool is plastered with cement, what is the area of the cemented part?
某游泳池的底面周长为125.6米，高为2米，若在游泳池的内壁抹水泥，抹水泥部分的面积是多少？
<gadget id="calculator">125.6 * 2</gadget>
<output>251.2</output>

<gadget id="calculator">125.6 / 3.14 / 2</gadget>
<output>20</output>

<gadget id="calculator">20 ** 2</gadget>
<output>400</output>

<gadget id="calculator">3.14 * 400</gadget>
<output>1_256</output>

<gadget id="calculator">251.2 + 1_256</gadget>
<output>1_507.2</output>

<result>1_507.2</result>