We're going to solve 6423 multiplied by 1963
6423 × 1963 = 1963 × (6423)
+ 1963 × 3 that results in 5889
+ 1963 × 20 that is equal 39260
+ 1963 × 400 that equals 785200
+ 1963 × 6000 what gives us 11778000

= 12608349
