We're going to solve 7989 multiplied by 3147
7989 × 3147 = 3147 × (7989)
+ 3147 × 9 that equals 28323
+ 3147 × 80 yielding 251760
+ 3147 × 900 giving us 2832300
+ 3147 × 7000 what gives us 22029000

= 25141383
