A circular aquarium has a perimeter of 125.6 meters. Now it is going to be expanded, and its circumference will be widened by 5 meters. What is the area of the aquarium after widening?
一个圆形养鱼池，周长是125.6米，现在要进行扩建，在它的周围加宽5米，加宽后养鱼池的面积是多少平方米？
<gadget id="calculator">2 * 3.14</gadget>
<output>6.28</output>

<gadget id="calculator">125.6 / 6.28</gadget>
<output>20</output>

<gadget id="calculator">20 + 5</gadget>
<output>25</output>

<gadget id="calculator">25 ** 2</gadget>
<output>625</output>

<gadget id="calculator">3.14 * 625</gadget>
<output>1_962.5</output>

<result>1_962.5</result>