A pile of wheat is approximately conical. The measured circumference of the base is 12.56 meters and the height is 1.5 meters. How many kilograms does this pair of wheat weigh? (Each cubic meter of wheat is calculated as 800 kilograms)
一堆小麦近似于圆锥形，测得底面周长是12.56米，高是1.5米，这对小麦重多少千克？(每立方米小麦按800千克计算)
<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</gadget>
<output>1/3 = around 0.333333</output>

<gadget id="calculator">3.14 * 4 * 1.5 * (1/3) * 800</gadget>
<output>5_024</output>

<result>5_024</result>