A conical pile of sand has a base area of 10 square meters and a height of 3 meters. If each cubic meter of sand weighs 1.6 tons, how many tons does this pile of sand weigh?
一个圆锥形的沙堆，底面积是10平方米，高3米．如果每立方米沙重1.6吨，这堆沙重多少吨？
<gadget id="calculator">1 / 3</gadget>
<output>1/3 = around 0.333333</output>

<gadget id="calculator">(1/3) * 10 * 3 * 1.6</gadget>
<output>16</output>

<result>16</result>