There are two piles of rice, A and B. Pile A is 0.5 cubic meters and weighs 350 kilograms. Pile B is a conical pile with a circumference of 6.28 meters and a height of 1.8 meters. According to this calculation, how much is the pile of rice in B?
甲乙两堆稻谷，甲堆0.5立方米，为350千克，乙堆稻谷堆成圆锥形，底面周长为6.28米，高1.8米，照这样计算，乙堆稻谷约是多少千克？
<gadget id="calculator">6.28 / 3.14 / 2</gadget>
<output>1</output>

<gadget id="calculator">1 / 3</gadget>
<output>1/3 = around 0.333333</output>

<gadget id="calculator">1 ** 2</gadget>
<output>1</output>

<gadget id="calculator">350 / 0.5</gadget>
<output>700</output>

<gadget id="calculator">(1/3) * 3.14 * 1 * 1.8 * 700</gadget>
<output>1_318.8</output>

<result>1_318.8</result>