On the next day, the multitude that stood on the other side of the sea saw that there was no other boat there, except the one in which his disciples had embarked, and that Jesus hadn't entered with his disciples into the boat, but his disciples had gone away alone.

 When the people had eaten their fill, Jesus bade his disciples gather up the fragments left. Why the fragments? At Jewish feasts the regular practice was to leave something for the servants. That which was left was called the Peah; and no doubt the people left their usual part for those who had served them with the meal. 