A conical grain mound measures 4 meters in diameter at the base and 1.5 meters in height. If each cubic meter of rice weighs about 600 kilograms, how many kilograms of rice does this grain store hold?
一个圆锥形的谷堆，量得底面直径4米，高1.5米．如果每立方米的稻谷约重600千克，这个粮囤装多少千克稻谷？
<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 * 1.5 * 600</gadget>
<output>3_768</output>

<result>3_768</result>