Alright, let's work through 4159 times 2561 step by step
4159 × 2561 = 2561 × (4159)
+ 2561 × 9 that is equal 23049
+ 2561 × 50 producing 128050
+ 2561 × 100 that is equal 256100
+ 2561 × 4000 giving us 10244000

= 10651199
