A cylindrical container with a height of 60 cm is filled with water, and all the water is poured into a conical container with the same bottom.
一个高60厘米的圆柱形容器装满水，把这些水全部倒入和它等底的圆锥形容器里水高多少厘米．
<gadget id="calculator">60 * 3</gadget>
<output>180</output>

<result>180</result>