Alright, let's work through 2559 times 3161 step by step
2559 × 3161 = 3161 × (2559)
+ 3161 × 9 that is equal 28449
+ 3161 × 50 that equals 158050
+ 3161 × 500 giving us 1580500
+ 3161 × 2000 giving us 6322000

= 8088999
