Alright, let's work through 4486 times 4891 step by step
4486 × 4891 = 4891 × (4486)
+ 4891 × 6 yielding 29346
+ 4891 × 80 that results in 391280
+ 4891 × 400 that equals 1956400
+ 4891 × 4000 yielding 19564000

= 21941026
