For a cone and a cylinder with equal base and equal volume, if the height of the cone is 9 decimeters, what is the height of the cylinder in meters?
等底等体积的圆锥和圆柱，如果圆锥的高是9分米，圆柱的高是多少米．
<gadget id="calculator">1 / 3</gadget>
<output>1/3 = around 0.333333</output>

<gadget id="calculator">9 * (1/3)</gadget>
<output>3</output>

<gadget id="calculator">3 / 10</gadget>
<output>3/10 = around 0.3</output>

<result>3/10 = around 0.3</result>