Al A'raf, 204 Ayah
7:204
وَإِذَا قُرِئَ ٱلۡقُرۡءَانُ فَٱسۡتَمِعُواْ لَهُۥ وَأَنصِتُواْ لَعَلَّكُمۡ تُرۡحَمُونَ ٢٠٤
Wa 'Idhā Quri'a Al-Qur'ānu Fāstami`ū Lahu Wa 'Anşitū La`allakum Turĥamūna
So when the Qur'an is recited, then listen to it and pay attention that you may receive mercy.