Alright, let's work through 1143 times 3398 step by step
1143 × 3398 = 3398 × (1143)
+ 3398 × 3 producing 10194
+ 3398 × 40 yielding 135920
+ 3398 × 100 that equals 339800
+ 3398 × 1000 resulting in 3398000

= 3883914
