Fill a conical container with a height of 9 cm with water, and then pour water into a cylindrical container with the same bottom and height as it. At this time, how many cm is the water in the cylindrical container? (thickness is ignored)
将一个高是9cm的圆锥体容器装满水，再将水倒入一个与它等底等高的圆柱体容器内，这时，圆柱体内的水有多少cm．(厚度忽略不计)
<gadget id="calculator">1 / 3</gadget>
<output>1/3 = around 0.333333</output>

<gadget id="calculator">9 * (1/3)</gadget>
<output>3</output>

<result>3</result>