Johnny is playing a game where he rolls a 4 sided dice and the goal is to get to 300. for every 4 dice he has 1 will land on every number, for instance, if he has 8 dice, 2 will land of 1, 2 will land on 2, 2 will land on 3, and 2 will land on 4. how many dice does johnny need to reach the goal?