The divisor is 21, the quotient is 14 and the remainder is…

The divisor is 21, the quotient is 14 and the remainder is 7. What is the dividend?

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 #3510