A cylindrical fish pond with a depth of 2m and a width of 5m is to be built in the park. If the inner wall and bottom of the fish pond are to be plastered with cement, how many square meters will be plastered with cement?
公园里要修一个深2m，宽5m，的圆柱形鱼池，如果在鱼池的内壁和底面抹上水泥，需要抹水泥多少平方米？
<gadget id="calculator">5 / 2</gadget>
<output>5/2 = around 2.5</output>

<gadget id="calculator">(5/2) ** 2</gadget>
<output>25/4 = around 6.25</output>

<gadget id="calculator">3.14 * (25/4)</gadget>
<output>19.625</output>

<gadget id="calculator">3.14 * 5 * 2</gadget>
<output>31.4</output>

<gadget id="calculator">19.625 + 31.4</gadget>
<output>51.025</output>

<result>51.025</result>