Calvin's River Crossing Attempt

Question

180 points

Calvin is playing a game of Dungeons and Dragons. In order to make it across the river, he needs to throw six 4-sided 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.

Answer 1

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

Answer 2

its wrong

Answer 3

820

Answer 4

thanks