In this task you will be given an arithmetic operation in Italian and you have to find its answer. The operations 'addition' and 'subtraction' have been replaced with their italian translations i.e you need to perform addition when you see 'aggiunta' and subtraction in case of 'sottrazione'.
Q: 4883 sottrazione 7912 sottrazione 2156 aggiunta 3840 sottrazione 7889 aggiunta 1167 sottrazione 3376 sottrazione 8825 aggiunta 5093
A: 
-15175