conical sand pile has a bottom area of 12.56m**2 and a height of 3m. If each cubic meter of sand weighs 1.5t, what is the total weight of the pile of sand?
一个圆锥形沙堆，底面积是12.56m**2，高是3m，如果每立方米的沙子重1.5t，这堆沙子一共重多少t．
<gadget id="calculator">1 / 3</gadget>
<output>1/3 = around 0.333333</output>

<gadget id="calculator">(1/3) * 12.56 * 3 * 1.5</gadget>
<output>18.84</output>

<result>18.84</result>