Given the task definition and input, reply with output. You are given a sentence in Japanese. Your job is to translate the Japanese sentence into Polish.

それから私はここ数年間で太平洋ゴミベルトと海流について学びました

Show your work and conclude with the exact phrasing "Therefore, the final answer is [answer]." where [answer] is just the final number or expression that solves the problem.
user
Ostatnio dowiedziałam się o Wielkiej Pacyficznej Plamie Śmieci i wirze.