A conical sand pile covers an area of about 15 square meters and is about 1.8 meters high. What is the volume of the sand pile in cubic meters?
一个圆锥形沙堆，占地面积约15平方米，高约1.8米．这个沙堆的体积是多少立方米？
<gadget id="calculator">1 / 3</gadget>
<output>1/3 = around 0.333333</output>

<gadget id="calculator">(1/3) * 15 * 1.8</gadget>
<output>9</output>

<result>9</result>