A cargo ships engines failed 100 miles away from the port

A cargo ships engines failed 100 miles away from the port. Due to the changing wind direction, it is moving 12 miles towards the port and 6 miles away from the port. If the wind pattern remains same, how many miles it will travel before reaching the port?

AQuA-RAT — Algebra Question Answering with Rationales (Ling et al., DeepMind, 2017) · train #8962