Acts 1:15

In those days Peter stood up among the brothers (a gathering of about a hundred and twenty) and said,
BSB · Berean Standard Bible
And in those days Peter stood up in the midst of the disciples, and said, (the number of names together were about an hundred and twenty,)
KJV · King James Version
In these days, Peter stood up in the middle of the disciples (and the number of names was about one hundred twenty), and said,
WEB · World English Bible
And in these days Peter stood up in the midst of the brethren, and said (and there was a multitude of persons gathered together, about a hundred and twenty),
ASV · American Standard Version

Related passages

From the Treasury of Scripture Knowledge, grouped by the word they explain.

Peter
Psalm 32:5, 6; Psalm 51:9–13; Luke 22:32; John 21:15–17
the names
Revelation 3:4; Revelation 11:13
an
Acts 21:20; Matthew 13:31; John 14:12; 1 Corinthians 15:6