Alright, let's work through 6317 times 1988 step by step
6317 × 1988 = 1988 × (6317)
+ 1988 × 7 what gives us 13916
+ 1988 × 10 that is equal 19880
+ 1988 × 300 what gives us 596400
+ 1988 × 6000 giving us 11928000

= 12558196
