We're going to solve 8900 multiplied by 3871
8900 × 3871 = 3871 × (8900)
+ 3871 × 0 producing 0
+ 3871 × 00 resulting in 0
+ 3871 × 900 that is equal 3483900
+ 3871 × 8000 what gives us 30968000

= 34451900
