Alright, let's work through 6425 times 3655 step by step
6425 × 3655 = 3655 × (6425)
+ 3655 × 5 yielding 18275
+ 3655 × 20 what gives us 73100
+ 3655 × 400 that is equal 1462000
+ 3655 × 6000 producing 21930000

= 23483375
