We're going to solve 8421 multiplied by 7209
8421 × 7209 = 7209 × (8421)
+ 7209 × 1 which equals 7209
+ 7209 × 20 that results in 144180
+ 7209 × 400 what gives us 2883600
+ 7209 × 8000 which equals 57672000

= 60706989
