We're going to solve 1389 multiplied by 9447
1389 × 9447 = 9447 × (1389)
+ 9447 × 9 producing 85023
+ 9447 × 80 that equals 755760
+ 9447 × 300 giving us 2834100
+ 9447 × 1000 producing 9447000

= 13121883
