On Uncle Zhang’s wheat field, there is a conical wheat pile with a circumference of 12.56 meters and a height of 2.4 meters. Each cubic meter of wheat weighs 450 kilograms. How many kilograms does this pile of wheat weigh?
张大伯家麦场上，有一个圆锥形的小麦堆，它的底面周长是12.56米，高2.4米，每立方米小麦重450千克，这堆小麦大约有多少千克？
<gadget id="calculator">1 / 3</gadget>
<output>1/3 = around 0.333333</output>

<gadget id="calculator">12.56 / 3.14 / 2</gadget>
<output>2</output>

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

<gadget id="calculator">(1/3) * 3.14 * 4 * 2.4 * 450</gadget>
<output>4_521.6</output>

<result>4_521.6</result>