Given the task definition, example input & output, solve the new input case.
You are given a sentence in Italian. Your job is to translate the Italian sentence into Polish.
Example: (Risate) E infatti aveva già pubblicato tanti video sulla natura.
Output: (Śmiech) Opublikował wiele filmów o przyrodzie.
The Italian sentence is correctly translated into Polish, because the meaning is preserved.

New input case for you: Ho passato otto anni gestendo una delle case di pubblicazione di maggior successo nel mondo.
Output:

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
Spędziłem 8 lat prowadząc jedno z najlepiej prosperujących wydawnictw na świecie.