What is the volume of a cone with a base area of 15cm**2 and a height of 8cm in cm3?
一个圆锥体的底面积是15cm**2，高是8cm它的体积是多少cm3．
<gadget id="calculator">1 / 3</gadget>
<output>1/3 = around 0.333333</output>

<gadget id="calculator">(1/3) * 15 * 8</gadget>
<output>40</output>

<result>40</result>