The volume of a cone is 320cm**3, the height is 30cm, what is the area of the base?
一个圆锥的体积是320cm**3，高是30cm，底面积是多少．
<gadget id="calculator">1 / 3</gadget>
<output>1/3 = around 0.333333</output>

<gadget id="calculator">320 / (1/3) / 30</gadget>
<output>32</output>

<result>32</result>