“And he commanded the people to sit down on the ground: and he took the seven loaves, and gave thanks, and brake, and gave to his disciples to set before them; and they did set them before the people.”
Mark 8:6 — Greek Interlinear
Church Fathers on Mark 8:6
After the Lord had performed the former miracle concerning the multiplication of the loaves, now again, a fitting occasion presents itself, and He takes the opportunity of working a similar miracle.
Why they who came from afar hold out for three days, Matthew says more fully: 'And He went up into a mountain, and sat down there, and great multitudes came unto Him, having with them many sick persons, and cast them down at Jesus' feet, and He healed them.' [Matt. 15:29-30]
Or else, the seven loaves are the gifts of the Holy Spirit, the fragments of the loaves are the mystical understanding of the first week.