Alright, let's work through 8185 times 6840 step by step
8185 × 6840 = 6840 × (8185)
+ 6840 × 5 what gives us 34200
+ 6840 × 80 what gives us 547200
+ 6840 × 100 yielding 684000
+ 6840 × 8000 that results in 54720000

= 55985400
