Alright, let's work through 1847 times 8603 step by step
1847 × 8603 = 8603 × (1847)
+ 8603 × 7 which equals 60221
+ 8603 × 40 that equals 344120
+ 8603 × 800 yielding 6882400
+ 8603 × 1000 producing 8603000

= 15889741
