The length of a rectangle is halved, while its breadth is tripled

The length of a rectangle is halved, while its breadth is tripled. Watis the % change in area?

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 #3899