A conical container with a height of 30 cm is filled with water, and then the water is poured into a cylindrical container with the same height as the bottom. What is the height of the water in the cylindrical container?
在一个高30厘米的圆锥形容器中盛满水，再把水倒入和它等底等高的圆柱形容器中，圆柱形容器内水的高度是多少厘米．
<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>