Alright, let's work through 4891 times 3823 step by step
4891 × 3823 = 3823 × (4891)
+ 3823 × 1 which equals 3823
+ 3823 × 90 which equals 344070
+ 3823 × 800 that equals 3058400
+ 3823 × 4000 that equals 15292000

= 18698293
