A conical wheat pile has a base diameter of 6 meters and a height of 3 meters, with 1.5 tons of wheat per cubic meter. How many tons does this pile of wheat weigh?
一个圆锥形小麦堆，底面直径6米，高3米，每立方米小麦1.5吨．这堆小麦重多少吨？
<gadget id="calculator">1 / 3</gadget>
<output>1/3 = around 0.333333</output>

<gadget id="calculator">6 / 2</gadget>
<output>3</output>

<gadget id="calculator">3 ** 2</gadget>
<output>9</output>

<gadget id="calculator">(1/3) * 3.14 * 9 * 3</gadget>
<output>28.26</output>

<gadget id="calculator">28.26 * 1.5</gadget>
<output>42.39</output>

<result>42.39</result>