Alright, let's work through 1163 times 3649 step by step
1163 × 3649 = 3649 × (1163)
+ 3649 × 3 producing 10947
+ 3649 × 60 that results in 218940
+ 3649 × 100 that results in 364900
+ 3649 × 1000 giving us 3649000

= 4243787
