Encouraged by the national policy of benefiting farmers, farmers have increased their enthusiasm for growing grain, and Uncle Zhang's family has had a bumper harvest of grain this year. The circumference of a base of his house is 18.84m, and the cylindrical grain storehouse with a height of 2m is just full. Calculated at 550kg per cubic meter of rice, how many kilograms of rice are there in this grain stockpile?
在国家惠农政策的鼓励下，农民种粮积极性提高了，张大伯家今年粮食大丰收．他家的一个底面周长是18.84m，高2m的圆柱形粮囤刚好装满．稻谷按每立方米550kg计算，这个粮囤约有多少千克稻谷？
<gadget id="calculator">18.84 / 3.14 / 2</gadget>
<output>3</output>

<gadget id="calculator">3 ** 2</gadget>
<output>9</output>

<gadget id="calculator">3.14 * 9 * 6 * 550</gadget>
<output>93_258</output>

<result>93_258</result>