A conical grain mound has a volume of 6.4 cubic meters and a height of 1.2 meters. How many square meters does this grain heap occupy?
一个圆锥形谷堆的体积是6.4立方米，高1.2米，这个谷堆的占地面积是多少平方米？
<gadget id="calculator">3 / 1.2</gadget>
<output>2.5</output>

<gadget id="calculator">6.4 * 2.5</gadget>
<output>16</output>

<result>16</result>