A conical sand pile has a bottom diameter of 10 meters and a height of 6 meters. The sand weighs 1.5 tons per cubic meter. How many tons does this pile of sand weigh?
一个圆锥形沙堆，底面直径为10米，高6米，沙每立方米重1.5吨，这堆沙有多少吨？
<gadget id="calculator">1 / 3</gadget>
<output>1/3 = around 0.333333</output>

<gadget id="calculator">10 / 2</gadget>
<output>5</output>

<gadget id="calculator">5 ** 2</gadget>
<output>25</output>

<gadget id="calculator">(1/3) * 3.14 * 25 * 6</gadget>
<output>157</output>

<gadget id="calculator">157 * 1.5</gadget>
<output>235.5</output>

<result>235.5</result>