If a conical container with a height of 60 cm is filled with water and poured into a cylindrical container with the same height as its bottom, what is the distance in cm from the mouth of the container to the water surface?
一个高60厘米的圆锥形容器，盛满水倒入和它等底等高的圆柱形容器中，则容器口到水面的距离是多少厘米．
<gadget id="calculator">1 / 3</gadget>
<output>1/3 = around 0.333333</output>

<gadget id="calculator">60 * (1/3)</gadget>
<output>20</output>

<result>20</result>