[Machine] That the Prophet ﷺ performed two units of prayer with these people, and another two units of prayer with those people. So, it amounted to four units for the Prophet ﷺ , and two units for them. Al-Shafi'i said, "And the last two units of these two units are voluntary for the Prophet ﷺ , and obligatory for others."
أَنَّ النَّبِيَّ ﷺ صَلَّى بِهَؤُلَاءِ رَكْعَتَيْنِ وَهَؤُلَاءِ رَكْعَتَيْنِ فَكَانَتْ لِلنَّبِيِّ ﷺ أَرْبَعًا وَلَهُمْ رَكْعَتَيْنِ رَكْعَتَيْنِ قَالَ الشَّافِعِيُّ وَالْأَخِيرَةُ مِنْ هَاتَيْنِ لِلنَّبِيِّ ﷺ نَافِلَةٌ وَلِلْآخَرِينَ فَرِيضَةٌ