Alright, let's work through 8397 times 7153 step by step
8397 × 7153 = 7153 × (8397)
+ 7153 × 7 producing 50071
+ 7153 × 90 what gives us 643770
+ 7153 × 300 what gives us 2145900
+ 7153 × 8000 producing 57224000

= 60063741
