A number when divided by 342 gives a remainder 38, what remainder…

A number when divided by 342 gives a remainder 38, what remainder will be obtained by dividing the same number 21?

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 #53732