The volume of a cone is 24 cubic centimeters, its height is 0.4 decimeters, what is the area of its base in square centimeters?
一个圆锥体的体积是24立方厘米，它的高是0.4分米，它的底面积是多少平方厘米？
<gadget id="calculator">0.4 * 10</gadget>
<output>4</output>

<gadget id="calculator">3 / 4</gadget>
<output>3/4 = around 0.75</output>

<gadget id="calculator">24 * (3/4)</gadget>
<output>18</output>

<result>18</result>