Alright, let's work through 4089 times 2606 step by step
4089 × 2606 = 2606 × (4089)
+ 2606 × 9 that equals 23454
+ 2606 × 80 what gives us 208480
+ 2606 × 000 producing 0
+ 2606 × 4000 producing 10424000

= 10655934
