We're going to solve 3986 multiplied by 8581
3986 × 8581 = 8581 × (3986)
+ 8581 × 6 what gives us 51486
+ 8581 × 80 producing 686480
+ 8581 × 900 what gives us 7722900
+ 8581 × 3000 which equals 25743000

= 34203866
