math
posted by Mathslover .
Calvin's River Crossing Attempt
180 points
Calvin is playing a game of Dungeons and Dragons. In order to make it across the river, he needs to throw six 4sided dice, and have their sum be a multiple of 5. How many different dice throws result in Calvin making it across the river?
Details and assumptions
The dice are considered distinct from each other.

4^6=4096
1/5 of 4096 is around 819 or 820
try it 
its wrong

820

thanks