We're going to solve 3896 multiplied by 1215
3896 × 1215 = 1215 × (3896)
+ 1215 × 6 producing 7290
+ 1215 × 90 which equals 109350
+ 1215 × 800 which equals 972000
+ 1215 × 3000 resulting in 3645000

= 4733640
