Alright, let's work through 9457 times 2003 step by step
9457 × 2003 = 2003 × (9457)
+ 2003 × 7 giving us 14021
+ 2003 × 50 that is equal 100150
+ 2003 × 400 that results in 801200
+ 2003 × 9000 producing 18027000

= 18942371
