conical coal pile with a base radius to height ratio of 1:3. The height is 6 meters. If every 0.75 cubic meters of coal is 1 ton, how many tons does this pile of coal have?
一个底面半径与高的比为1：3的圆锥体煤堆．高是6米，如果每0.75立方米的煤是1吨，这堆煤有多少吨？
<gadget id="calculator">1 / 3</gadget>
<output>1/3 = around 0.333333</output>

<gadget id="calculator">6 / 3</gadget>
<output>2</output>

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

<gadget id="calculator">(1/3) * 3.14 * 4 * 6</gadget>
<output>25.12</output>

<gadget id="calculator">25.12 / 0.75</gadget>
<output>33.493333</output>

<result>33.493333</result>