Madam if you are doing a simple mathematic the answer should be 120 as our friend @Zee Leo; must be calculating...
however this question is a 'Complex Mathematic' where an exclamation mark is equal to 'math notation' means 5 factorial equal to 120.
Therefore the 25-55+(85+65) = 5!
oh bhai... yeh HUM keh kar meri inn girls say pitayii na karwaa daina.... inn doo saaloon main innhoon nayy itna dhoyaa hay naa kay ab himmat nahin hay merii.... kay inn say panga loon...... bilkhusoos yeh @sheem; @naz; @attiaahsan; @pakeeza; aur @hiddenwords; say bach kar rehta hoon.... rasta badal laita hoon jahan inhain dekhoon