There is a conical grain pile in the threshing floor, with a bottom area of 12.56 square meters and a height of about 1.5 meters. If the weight of grain per cubic meter is 550 kilograms, how many kilograms does this pile weigh?
打谷场里有一圆锥形的谷堆，底面积是12.56平方米，高约是1.5米，如果每立方米谷重550千克，这堆谷有多少千克？
<gadget id="calculator">1 / 3</gadget>
<output>1/3 = around 0.333333</output>

<gadget id="calculator">(1/3) * 12.56 * 1.5 * 550</gadget>
<output>3_454</output>

<result>3_454</result>