TASK DEFINITION: In this task you will be given an arithmetic operation and you have to find its answer. The operators '+' and '-' have been replaced with new symbols. Specifically, '+' has been replaced with the symbol '@' and '-' with the symbol '#'. You need to perform the operations in the given equation return the answer
PROBLEM: 3938 @ 6900 @ 1254 @ 25 # 7237 # 5576 @ 8865 # 8864 @ 1349

SOLUTION: 654

PROBLEM: 2020 @ 8125 # 252 # 2790 # 9183 @ 3123 # 7282 # 5115 # 1943

SOLUTION: -13297

PROBLEM: 1002 # 8546 @ 5683 # 7140 @ 2151 # 1457 @ 1805 # 2197

SOLUTION:
-8699