Alright, let's work through 6745 times 4089 step by step
6745 × 4089 = 4089 × (6745)
+ 4089 × 5 that is equal 20445
+ 4089 × 40 that results in 163560
+ 4089 × 700 that equals 2862300
+ 4089 × 6000 which equals 24534000

= 27580305
