cylindrical container with a bottom inner radius of 6 cm is filled with water, and the water surface is 4.8 meters high. After putting a cuboid iron block with a length and width of 4 cm and 3 cm, the upper surface of the cuboid just emerges from the water. So what is the height of the cuboid in centimeters?
一个底面内半径为6厘米的圆柱形容器中盛有水，水面高4.8米，在其中放入一个长和宽分别为4厘米和3厘米的长方体铁块后，长方体的上表面刚好露出水面，那么长方体的高是多少厘米．
<result>5.4</result>