A cone of copper billet has a volume of 14 cubic decimeters and a height of 7 decimeters. What is the area of the base of the cone in square decimeters?
一个圆锥体铜坯，体积是14立方分米，高是7分米，圆锥的底面积是多少平方分米．
<gadget id="calculator">14 / 7</gadget>
<output>2</output>

<gadget id="calculator">3 * 2</gadget>
<output>6</output>

<result>6</result>