A conical pile of sand has a base area of 18 square meters and a height of 1.5 meters. What is the volume of this pile of sand?
一个圆锥形的沙堆，底面积是18平方米，高是1.5米．这堆沙的体积是多少？
<gadget id="calculator">1 / 3</gadget>
<output>1/3 = around 0.333333</output>

<gadget id="calculator">(1/3) * 18 * 1.5</gadget>
<output>9</output>

<result>9</result>