A conical pile of sand has a base area of 18 square meters and a height of 1.5 meters. If each cubic meter of sand weighs 1.6 tons, how many tons does the pile of sand weigh?
一个圆锥形的沙堆，底面积是18平方米，高是1.5米．如果每立方米的沙重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) * 18 * 1.5 * 1.6</gadget>
<output>14.4</output>

<result>14.4</result>