Alright, let's work through 7143 times 3198 step by step
7143 × 3198 = 3198 × (7143)
+ 3198 × 3 that is equal 9594
+ 3198 × 40 yielding 127920
+ 3198 × 100 producing 319800
+ 3198 × 7000 that equals 22386000

= 22843314
