A cuboid water tank has a capacity of 320 liters. The bottom of this water tank is a square with a side length of 8 decimeters. How many decimeters is the height of the water tank? (solution with equation)
一个长方体水箱容量是320升，这个水箱的底面是一个边长为8分米的正方形，水箱的高是多少分米？(用方程解答)
<result>6</result>