A cone model, the base area is 15cm**2, the height is 10cm, what is the volume of this model in cm**3.
一个圆锥模型，底面积是15cm**2，高是10cm，这个模型的体积是多少cm**3．
<gadget id="calculator">1 / 3</gadget>
<output>1/3 = around 0.333333</output>

<gadget id="calculator">(1/3) * 15 * 10</gadget>
<output>50</output>

<result>50</result>