A cone full of water is 9 meters high. If all the water is poured into a cylinder with the same height as its bottom, what is the height of the water in meters?
一个盛满水的圆锥体容器高9米，如果将水全部倒入与它等底等高的圆柱体容器中，则水高多少米．
<gadget id="calculator">1 / 3</gadget>
<output>1/3 = around 0.333333</output>

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

<result>3</result>