A cylindrical storage tank with a bottom diameter of 10 meters and a depth of 5 meters is plastered with cement around the pool and the bottom. How many square meters is the cemented area?
一个圆柱形储水池，底面直径10米，深5米，在池的四周及底面抹上水泥，抹水泥面积是多少平方米？
<gadget id="calculator">3.14 * 10 * 5</gadget>
<output>157</output>

<gadget id="calculator">10 / 2</gadget>
<output>5</output>

<gadget id="calculator">5 ** 2</gadget>
<output>25</output>

<gadget id="calculator">3.14 * 25</gadget>
<output>78.5</output>

<gadget id="calculator">157 + 78.5</gadget>
<output>235.5</output>

<result>235.5</result>