We're going to solve 6426 multiplied by 1978
6426 × 1978 = 1978 × (6426)
+ 1978 × 6 that results in 11868
+ 1978 × 20 producing 39560
+ 1978 × 400 what gives us 791200
+ 1978 × 6000 that is equal 11868000

= 12710628
