As-Salaam alaikum,
Says the Noble Messenger of Allah, Sallallahu alaihi Wasallam :--

"A HOUSE WILL BE BUILT IN HEAVEN FOR ONE WHO PRAYS 12 RAKA'ATS IN A DAY AND EVENING AS FOLLOWS :

4 RAKA'ATS BEFORE AND 2 AFTER DHUHR PRAYER,
2 AFTER MAGHRIB PRAYER,
2 AFTER ISHA' PRAYER AND
2 BEFORE THE FAJR PRAYER".
(At-Tirmidhi, 414).