A conical container filled with water is 12 decimeters high, and the water is poured into a cylindrical glass with the same height as its bottom. What is the depth of the water at this time?
一个装满水的圆锥形容器高12分米，将这些水倒入和它等底等高的圆柱形玻璃杯里，这时水深多少分米．
<gadget id="calculator">12 / 3</gadget>
<output>4</output>

<result>4</result>