A cylindrical pool has a bottom radius of 2 meters and a depth of 3 meters. It is necessary to plaster its surroundings and the ground with cement. If 100 grams of cement is needed per square meter, how many grams of cement is needed in total?
一个圆柱体水池，底面半径是2米，深3米，要在它的四周和地面抹水泥，如果每平方米抹水泥需要100克，一共需要水泥多少克？
<gadget id="calculator">2 * 3.14 * 2 * 3</gadget>
<output>37.68</output>

<gadget id="calculator">2 ** 2</gadget>
<output>4</output>

<gadget id="calculator">3.14 * 4</gadget>
<output>12.56</output>

<gadget id="calculator">37.68 + 12.56</gadget>
<output>50.24</output>

<gadget id="calculator">50.24 * 100</gadget>
<output>5_024</output>

<result>5_024</result>