A conical pile of wheat is 1.5 meters high and the circumference of the base is 12.56 meters. If 1 cubic meter of wheat weighs 500 kilograms, how many kilograms does the pile of wheat weigh?
一个圆锥形的麦堆高1.5米，底面周长是12.56米，如果1立方米麦子重500千克，这堆麦子的重量是多少千克？
<gadget id="calculator">12.56 / 3.14 / 2</gadget>
<output>2</output>

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

<gadget id="calculator">1.5 / 3</gadget>
<output>0.5</output>

<gadget id="calculator">12.56 * 0.5</gadget>
<output>6.28</output>

<gadget id="calculator">500 * 6.28</gadget>
<output>3_140</output>

<result>3_140</result>