If A denotes 'Addition', B denotes 'Multiplication', C denotes 'Subtraction' and D denotes 'division', then what will be the value of the following expression? (45 D 9) B 5 A 8 B (7 A 3 C 6) C (28 D (4 D 4))
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Always rewrite the expression with symbols clearly before calculating to avoid confusing the letters (like B for multiplication and D for division).