Then he wrapped my hands , put the gloves on me and brought me over to the heavy bag . He 'd call out strings of punches like , " 2 , 3 , 2 , 4 ! " and I 'd have to hit the bag with the corresponding punches that I just learned . That part was fun .
According to the above context, answer the following question.
What is the narrator describing ?


They are describing receiving personal training .