We're going to solve 7859 multiplied by 8405
7859 × 8405 = 8405 × (7859)
+ 8405 × 9 that is equal 75645
+ 8405 × 50 which equals 420250
+ 8405 × 800 giving us 6724000
+ 8405 × 7000 what gives us 58835000

= 66054895
