You run a pet supply company. You have 3 animals that take up different amount of space: a) you get 100 orders for hamsters and ants take up 1 room total b) you get 200 orders for cats and they take up 10 rooms total c) you get 400 orders for dogs that take up 2 rooms total. If you lay out your warehouse optimally, how many times will you go to the room that is closest to the dock?