A conical pile of wheat has a base diameter of 4 meters and a height of 3 meters. If each cubic meter of wheat weighs 800 grams, how many kilograms does the pile of wheat weigh?
一个圆锥形麦堆，底面直径是4米，高3米，如果每立方米的小麦重800克，这堆小麦重多少千克？
<gadget id="calculator">4 / 2</gadget>
<output>2</output>

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

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

<gadget id="calculator">3.14 * 4 * 3 * (1/3)</gadget>
<output>12.56</output>

<gadget id="calculator">800 * 12.56</gadget>
<output>10_048</output>

<result>10_048</result>