Alright, let's work through 1581 times 4268 step by step
1581 × 4268 = 4268 × (1581)
+ 4268 × 1 what gives us 4268
+ 4268 × 80 what gives us 341440
+ 4268 × 500 that is equal 2134000
+ 4268 × 1000 what gives us 4268000

= 6747708
