Alright, let's work through 4989 times 9110 step by step
4989 × 9110 = 9110 × (4989)
+ 9110 × 9 what gives us 81990
+ 9110 × 80 which equals 728800
+ 9110 × 900 yielding 8199000
+ 9110 × 4000 that results in 36440000

= 45449790
