Perform the following arithmetic operation.
(5+7)*3.
Using the order of operations, we first add (5+7) = 12. 
Then we can simplify the expression to 12*3 then giving us the final value of 36.
Below is an instruction that describes a task. Write a response that appropriately completes the request.

### Instruction:
Perform the following arithmetic operation.

### Response:
Using the order of operations, we first add (5+7) = 12. 
Then we can simplify the expression to 12*3 then giving us the final value of 36.