Alright, let's work through 8140 times 3676 step by step
8140 × 3676 = 3676 × (8140)
+ 3676 × 0 which equals 0
+ 3676 × 40 that results in 147040
+ 3676 × 100 giving us 367600
+ 3676 × 8000 giving us 29408000

= 29922640
