Alright, let's work through 4109 times 6412 step by step
4109 × 6412 = 6412 × (4109)
+ 6412 × 9 that equals 57708
+ 6412 × 00 what gives us 0
+ 6412 × 100 which equals 641200
+ 6412 × 4000 producing 25648000

= 26346908
