We're going to solve 3997 multiplied by 3985
3997 × 3985 = 3985 × (3997)
+ 3985 × 7 producing 27895
+ 3985 × 90 that equals 358650
+ 3985 × 900 producing 3586500
+ 3985 × 3000 resulting in 11955000

= 15928045
