What is the units digit of (52^5)(37^3)(71^9)

What is the units digit of (52^5)(37^3)(71^9)?

This problem repeats another one in the library (at most with different numbers), so it's left out of browsing.

AQuA-RAT — Algebra Question Answering with Rationales (Ling et al., DeepMind, 2017) · train #6458