Square X is inscribed in circle Y

Square X is inscribed in circle Y. If the perimeter of X is 64, what is the circumference of Y?

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 #16448