Pray 2 Rak’ats (units) of prayer after taking wudhu

Pray 2 Rak’ats (units) of prayer after taking Wudhu

Narrated Humran: [Bukhari] “Allah’s Messenger (صلى الله عليه وسلم (said ‘If anyone performs ablution like that of mine and offers a two-rak’at prayer during which he does not think of anything else (not related to the present prayer) then his past sins will be forgiven.’ “