What was narrated concerning how many times the Imam should say the Takbir in the Eid Prayers Sunan Ibn Majah 1278

Arabic hadith text
حَدَّثَنَا أَبُو كُرَيْبٍ، مُحَمَّدُ بْنُ الْعَلاَءِ حَدَّثَنَا عَبْدُ اللَّهِ بْنُ الْمُبَارَكِ، عَنْ عَبْدِ اللَّهِ بْنِ عَبْدِ الرَّحْمَنِ بْنِ يَعْلَى، عَنْ عَمْرِو بْنِ شُعَيْبٍ، عَنْ أَبِيهِ، عَنْ جَدِّهِ، أَنَّ النَّبِيَّ ـ صلى الله عليه وسلم ـكَبَّرَ فِي صَلاَةِ الْعِيدِ سَبْعًا وَخَمْسًا ‏.‏
Translation

It wasnarrated from ‘Amr bin Shu’aib, from his father, from hisgrandfather, that the Prophet (ﷺ) said the Takbir seven times andfive times in the ‘Eid prayer.