With reference to the virtue of offering additional six rak’ats after Maghrib salah (Awwabin);
I have read this post, in which the answer pertains more to the authenticity and not commentary.
The apparent understood meaning is that one can expect this reward for each time he practices on this.
And Allah Ta’ala Knows best,
Answered by: Moulana Muhammad Abasoomar
Checked by: Moulana Haroon Abasoomar