We're going to solve 8389 multiplied by 1821
8389 × 1821 = 1821 × (8389)
+ 1821 × 9 that equals 16389
+ 1821 × 80 that is equal 145680
+ 1821 × 300 that results in 546300
+ 1821 × 8000 that is equal 14568000

= 15276369
