We're going to solve 8402 multiplied by 9959
8402 × 9959 = 9959 × (8402)
+ 9959 × 2 what gives us 19918
+ 9959 × 00 that is equal 0
+ 9959 × 400 which equals 3983600
+ 9959 × 8000 which equals 79672000

= 83675518
