conical container with a bottom diameter of 4 decimeters and a height of 6 decimeters is filled with diesel oil. If each liter of diesel oil weighs 0.85 kilograms, how many kilograms does the diesel oil weigh in total?
一个圆锥形容器，底面内直径为4分米，高6分米，里面装满了柴油，如果每升柴油重0.85千克，这些柴油共重多少千克？
<gadget id="calculator">1 / 3</gadget>
<output>1/3 = around 0.333333</output>

<gadget id="calculator">4 / 2</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 * 0.85</gadget>
<output>21.352</output>

<result>21.352</result>