Alright, let's work through 8143 times 1877 step by step
8143 × 1877 = 1877 × (8143)
+ 1877 × 3 that is equal 5631
+ 1877 × 40 producing 75080
+ 1877 × 100 giving us 187700
+ 1877 × 8000 resulting in 15016000

= 15284411
