The sum of the non-prime numbers between 50 and 60, non-inclusive, is

The sum of the non-prime numbers between 50 and 60, non-inclusive, is

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 #989