Alright, let's work through 99123 times 62196185 step by step
99123 × 62196185 = 62196185 × (99123)
+ 62196185 × 3 giving us 186588555
+ 62196185 × 20 producing 1243923700
+ 62196185 × 100 yielding 6219618500
+ 62196185 × 9000 that is equal 559765665000
+ 62196185 × 90000 yielding 5597656650000

= 6165072445755
