Alright, let's work through 3689 times 7013 step by step
3689 × 7013 = 7013 × (3689)
+ 7013 × 9 that equals 63117
+ 7013 × 80 which equals 561040
+ 7013 × 600 giving us 4207800
+ 7013 × 3000 that equals 21039000

= 25870957
