An approximately conical rice pile has a bottom circumference of 18.84 meters and a height of 3 meters. It is known that the mass of rice per cubic meter is 800 kilograms. How many tons does this pile of rice have?
一个近似圆锥形的稻谷堆，底面周长是18.84米，高为3米，已知每立方米的稻谷质量为800千克，这堆稻谷有多少吨？
<gadget id="calculator">1 / 3</gadget>
<output>1/3 = around 0.333333</output>

<gadget id="calculator">18.84 / 3.14 / 2</gadget>
<output>3</output>

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

<gadget id="calculator">800 / 1_000</gadget>
<output>4/5 = around 0.8</output>

<gadget id="calculator">(1/3) * 3.14 * 9 * 3 * (4/5)</gadget>
<output>22.608</output>

<result>22.608</result>