この合計は私のとぴったりあう。

this (something or someone close to the speaker (including the speaker), or ideas expressed by the speaker)

sum total; total amount

topic marker particle; indicates contrast with another option (stated or unstated); adds emphasis

I; me; private affairs; personal matter; secrecy; selfishness

indicates possessive; nominalizes verbs and adjectives; substitutes for "ga" in subordinate phrases; (at sentence-end, falling tone) indicates a confident conclusion; (at sentence-end) indicates emotional emphasis; (at sentence-end, rising tone) indicates question

if; when; and; with; particle used for quoting (with speech, thoughts, etc.); quoting particle; promoted pawn; indicates question (sentence end)

tightly; closely; exactly; precisely; suddenly (stopping); perfectly (suited); ideally

to meet; to encounter; to see; to have an accident; to have a bad experience