Alright, let's work through 5781 times 4395 step by step
5781 × 4395 = 4395 × (5781)
+ 4395 × 1 producing 4395
+ 4395 × 80 that is equal 351600
+ 4395 × 700 what gives us 3076500
+ 4395 × 5000 yielding 21975000

= 25407495
