There is an approximately conical wheat pile. The measured area is 12.56 square meters and the height is 1.2 meters. Each cubic meter of wheat weighs about 800 kilograms. How many kilograms does this pile of wheat weigh?
有一个近似圆锥形的小麦堆．测得占地面积12.56平方米，高是1.2米．每立方米小麦约重800千克，这堆小麦约重多少千克？
<gadget id="calculator">1 / 3</gadget>
<output>1/3 = around 0.333333</output>

<gadget id="calculator">(1/3) * 12.56 * 1.2 * 800</gadget>
<output>4_019.2</output>

<result>4_019.2</result>