Fill a conical measuring cup with a height of 15 cm with water, then pour water into a cylindrical measuring cup with the same height as the bottom, what is the height of the water surface in the cylindrical measuring cup in cm?
将一个高是15cm的圆锥形量杯装满水，再将水倒入与它等底等高的圆柱形量杯中，圆柱形量杯的水面高度是多少cm．
<gadget id="calculator">15 / 3</gadget>
<output>5</output>

<result>5</result>