"By the number" is an idiom with the meaning of doing something mechanically or without creativity. To avoid using this cliche, one can use various synonyms to convey the same idea. The word "rigorously" can be used to describe a precise way of doing things. The expression "mechanically" implies carrying out tasks without thinking or feeling, while the term "systematically" implies a well-planned approach. "Methodically" describes a process that carefully follows a particular set of rules, while "procedural" suggests following an established sequence of steps. Lastly, "robotically" implies a lack of spontaneity in completing a task, while "stereotypically" connotes a conventional and predictable way of doing things.