Simplify the following text for a Grade 7 native English-speaking person.
Original: The FÃ 1\/4 hrerbunker was located about 8.2 metres beneath the garden of the old Reich Chancellery building at WilhelmstraÃ e 77 , about 120 metres north of the new Reich Chancellery building , which had the address VoÃ straÃ e 6 .
Simplified: The FÃ 1\/4 hrerbunker was located about 8.2 meters beneath the garden of the old Reich Chancellery building at WilhelmstraÃ e 77 . This is about 120 meters north of the new Reich Chancellery building , which had the address VoÃ straÃ e 6 .