If a conical container with a height of 30 cm is filled with water and poured into a cylindrical container with the same bottom and height, what is the height of the water in cm?
把一个高为30cm的圆锥形容器中满满的水，倒入与它等底等高的圆柱形容器中，水的高度是多少cm．
<gadget id="calculator">1 / 3</gadget>
<output>1/3 = around 0.333333</output>

<gadget id="calculator">30 * (1/3)</gadget>
<output>10</output>

<result>10</result>