cylindrical pool with a bottom circumference of 62.8 meters and a depth of 1.5 meters. Put cement on the bottom and surroundings of this pool. If 20 kilograms of cement is used per square meter, how many kilograms of cement will be used in total?
一个圆柱形水池，底面周长是62.8米，深1.5米．在这个水池的底面和四周抹上水泥，如果每平方米用水泥20千克，一共要用水泥多少千克？
<gadget id="calculator">62.8 / 3.14 / 2</gadget>
<output>10</output>

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

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

<gadget id="calculator">62.8 * 1.5</gadget>
<output>94.2</output>

<gadget id="calculator">314 + 94.2</gadget>
<output>408.2</output>

<gadget id="calculator">20 * 408.2</gadget>
<output>8_164</output>

<result>8_164</result>