A cone-shaped wheat pile with a base circumference of 12.56 meters and a height of 1.2 meters. Each cubic meter of wheat weighs about 750 kilograms. How many tons does this pile of wheat weigh?
一个圆锥形状的小麦堆，底面周长12.56米，高1.2米．每立方米的小麦大约重750千克，这堆小麦大约重多少吨？
<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">750 / 1_000</gadget>
<output>3/4 = around 0.75</output>

<gadget id="calculator">(1/3) * 3.14 * 4 * 1.2 * (3/4)</gadget>
<output>3.768</output>

<result>3.768</result>