Alright, let's work through 7485 times 3990 step by step
7485 × 3990 = 3990 × (7485)
+ 3990 × 5 that is equal 19950
+ 3990 × 80 that is equal 319200
+ 3990 × 400 that is equal 1596000
+ 3990 × 7000 producing 27930000

= 29865150
