****The primary school wants to build a cylindrical swimming pool. The radius of the bottom of the pool is 10 meters, and the depth of the pool is 2.5 meters. If tiles are pasted on the bottom and sides of the swimming pool, how many square meters is the tiled part?
****小学要修建一个圆柱形的游泳池，池子的底面半径是10米，池子深2.5米，如果在泳池的底面和侧面贴上瓷砖，贴瓷砖的部分是多少平方米？
<gadget id="calculator">3.14 * 10 * 2 * 2.5</gadget>
<output>157</output>

<gadget id="calculator">10 ** 2</gadget>
<output>100</output>

<gadget id="calculator">3.14 * 100</gadget>
<output>314</output>

<gadget id="calculator">157 + 314</gadget>
<output>471</output>

<result>471</result>