Alright, let's work through 2581 times 8067 step by step
2581 × 8067 = 8067 × (2581)
+ 8067 × 1 that is equal 8067
+ 8067 × 80 what gives us 645360
+ 8067 × 500 giving us 4033500
+ 8067 × 2000 which equals 16134000

= 20820927
