Alright, let's work through 1285 times 3259 step by step
1285 × 3259 = 3259 × (1285)
+ 3259 × 5 that results in 16295
+ 3259 × 80 that is equal 260720
+ 3259 × 200 which equals 651800
+ 3259 × 1000 producing 3259000

= 4187815
