Alright, let's work through 1842 times 503 step by step
1842 × 503 = 503 × (1842)
+ 503 × 2 producing 1006
+ 503 × 40 that results in 20120
+ 503 × 800 resulting in 402400
+ 503 × 1000 that results in 503000

= 926526
