Alright, let's work through 8163 times 4993 step by step
8163 × 4993 = 4993 × (8163)
+ 4993 × 3 that results in 14979
+ 4993 × 60 that is equal 299580
+ 4993 × 100 giving us 499300
+ 4993 × 8000 that is equal 39944000

= 40757859
