Alright, let's work through 3756 times 8143 step by step
3756 × 8143 = 8143 × (3756)
+ 8143 × 6 producing 48858
+ 8143 × 50 producing 407150
+ 8143 × 700 that results in 5700100
+ 8143 × 3000 yielding 24429000

= 30585108
