Question - Basic Arithmetic Calculation

First, simplify the expression:

81 + 3 - 12 - 3

Now, perform the operations from left to right:

First, add 81 and 3:

81 + 3 = 84

Next, subtract 12:

84 - 12 = 72

Finally, subtract 3:

72 - 3 = 69

The final result is:

69