Halloween Trick or Treat how many in each neighborhood?

Question

my son was trick or treating this halloween and met with family and friends after hitting about 3 neighborhoods which had the same amount of candy . placing his spoils in 3 bags for each neighborhood , when he split up the 1rst bag between 3 of us he had 2 pieces left over . when he split the 2nd bag up 5 ways to his friends he had 3 pieces left over . Lastly he split the 3rd bag up between 7 friends who came over after they found out how much candy he had collected, leaving 2 pieces left over . How much candy was in each neighborhood ? prove your answer