The ratio of the bottom area of two cylindrical containers is 3:2. The water depth in the large container is 6 cm. If all the water is poured into the small container, how many cm should the water depth be?
大小两个圆柱形容器，底面积的比是3：2，现大容器里的水深6厘米，若将水全部倒入小容器里，水深应是多少厘米？
<gadget id="calculator">6 * 3</gadget>
<output>18</output>

<gadget id="calculator">18 / 2</gadget>
<output>9</output>

<result>9</result>