Alright, let's work through 7697 times 728 step by step
7697 × 728 = 728 × (7697)
+ 728 × 7 yielding 5096
+ 728 × 90 that is equal 65520
+ 728 × 600 that is equal 436800
+ 728 × 7000 producing 5096000

= 5603416
