if a@b = a * b^(1/2) then 5@9 =?

if a@b = a * b^(1/2) then 5@9 = ? self made

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 #3678