You are given a sentence in Spanish. Your job is to translate the Spanish sentence into English.
Example: Con el crecimiento, los países y las sociedades ingresan en un ciclo virtuoso de movilidad ascendente, de oportunidad y mejores niveles de vida.
Example solution: With economic growth, countries and societies enter into a virtuous cycle of upward mobility, opportunity and improved living standards.
Example explanation: The Spanish sentence is correctly translated into English, because the meaning is preserved.

Problem: Los niños nos habíamos reunido en la casa de un amigo.

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
Solution: We the children had gathered at a friend's house.