Detailed Instructions: 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: 2166 sottrazione 3769 sottrazione 6499 aggiunta 7534 sottrazione 2371
A:
-2939