This tradition has also been transmitted by Ibn ‘Umar through a different chain of narrators like the one narrated by Al Qa’nabi . This version has “ I forgot to ask the number of rak’ahs he offered.
Sunan Abi Dawud Book 11, Hadith 305
← Previous Hadith The aforesaid tradition has also been transmitted by Malik through a different chain of narrators. He (‘Abd Al Rahman bin Mahdi) did not mention the words “pillars”. This version adds “He then prayed and there was a distance of three cubits between him and the qiblah.”

Sunan Abi Dawud Book 11, Hadith 304 Next Hadith → ‘Abd Al Rahman bin Safwan said “I asked ‘Umar bin Al Khattab How did the Apostle of Allaah(ﷺ) do when he entered the Ka’bah? He said “He offered two rak’ahs of prayer.”

Sunan Abi Dawud Book 11, Hadith 306