Answer:
360,000
Step-by-step explanation:
The exclamation point is factorial:
9! = 9×8×7×6×5×4×3×2×1 = 362880
5! = 5×4×3×2×1 = 120
4! = 4×3×2×1 = 24
362880 - 120× 24 = 360000
