Alright, let's work through 8185 times 649 step by step
8185 × 649 = 649 × (8185)
+ 649 × 5 that equals 3245
+ 649 × 80 resulting in 51920
+ 649 × 100 that equals 64900
+ 649 × 8000 resulting in 5192000

= 5312065
