We're going to solve 2609 multiplied by 7881
2609 × 7881 = 7881 × (2609)
+ 7881 × 9 what gives us 70929
+ 7881 × 00 yielding 0
+ 7881 × 600 which equals 4728600
+ 7881 × 2000 which equals 15762000

= 20561529
