If the volume of a cylinder is (4/9)dm**3, what is the volume of a cone with the same base and height?
一个圆柱的体积是(4/9)dm**3，与它等底等高的圆锥的体积是多少．
<gadget id="calculator">4 / 9</gadget>
<output>4/9 = around 0.444444</output>

<gadget id="calculator">1 / 3</gadget>
<output>1/3 = around 0.333333</output>

<gadget id="calculator">(4/9) * (1/3)</gadget>
<output>4/27 = around 0.148148</output>

<result>4/27 = around 0.148148</result>