Alright, let's work through 2581 times 731 step by step
2581 × 731 = 731 × (2581)
+ 731 × 1 what gives us 731
+ 731 × 80 giving us 58480
+ 731 × 500 which equals 365500
+ 731 × 2000 yielding 1462000

= 1886711
