A group of 8 cups need to be arranged

A group of 8 cups need to be arranged. There are 2 blue cups and 2 red cups and the two of the pair of cups must be kept togather. in how many arrangements can the cups be arranged?

AQuA-RAT — Algebra Question Answering with Rationales (Ling et al., DeepMind, 2017) · train #74084