A conical pile of wheat is 1.5 meters high and has a base circumference of 12.56 meters. If each cubic meter of wheat weighs 0.7 tons, how many tons does this pile of wheat weigh?
一个圆锥形的小麦堆，高1.5米，底面周长12.56米，如果每立方米小麦重0.7吨，这堆小麦大约有多少吨？
<gadget id="calculator">1 / 3</gadget>
<output>1/3 = around 0.333333</output>

<gadget id="calculator">2 * 3.14</gadget>
<output>6.28</output>

<gadget id="calculator">12.56 / 6.28</gadget>
<output>2</output>

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

<gadget id="calculator">(1/3) * 3.14 * 4 * 1.5 * 0.7</gadget>
<output>4.396</output>

<result>4.396</result>