A conical container with a height of 9 cm is filled with water and poured into a cylindrical container with the same height as its bottom. What is the height of the water in cm?
一个圆锥容器的高为9cm，装满水后倒入与它等底等高的圆柱容器里，这时水的高度是多少cm．
<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>