We're going to solve 3998 multiplied by 3287
3998 × 3287 = 3287 × (3998)
+ 3287 × 8 which equals 26296
+ 3287 × 90 that equals 295830
+ 3287 × 900 what gives us 2958300
+ 3287 × 3000 yielding 9861000

= 13141426
