The volume of a cone is 45 cubic decimeters and the height is 6 decimeters. What is the area of the base of the cone?
一个圆锥的体积是45立方分米，高是6分米，这个圆锥的底面积是多少平方分米．
<gadget id="calculator">1 / 3</gadget>
<output>1/3 = around 0.333333</output>

<gadget id="calculator">45 / (1/3) / 6</gadget>
<output>45/2 = around 22.5</output>

<result>45/2 = around 22.5</result>