Meaning of the word "sum total" in English

What does "sum total" mean in English? Explore the meaning, pronunciation, and specific usage of this word with Lingoland.

sum total

US /sʌm ˈtoʊ.təl/
UK /sʌm ˈtəʊ.təl/

Noun

the total amount of something, especially when considered as a whole rather than in parts

Example:
The sum total of their efforts was a successful project.
The sum total of human knowledge is vast and ever-growing.