Al-A'raf 7:204

وَإِذَا قُرِئَ ٱلْقُرْءَانُ فَٱسْتَمِعُوا۟ لَهُۥ وَأَنصِتُوا۟ لَعَلَّكُمْ تُرْحَمُونَ

Wa-idhā quri-a l-qur'ānu fa-is'tamiʿū lahu wa-anṣitū laʿallakum tur'ḥamūna

So when the Qur’ān is recited, then listen to it and pay attention that you may receive mercy.