We're going to solve 3415 multiplied by 2478
3415 × 2478 = 2478 × (3415)
+ 2478 × 5 producing 12390
+ 2478 × 10 that is equal 24780
+ 2478 × 400 producing 991200
+ 2478 × 3000 resulting in 7434000

= 8462370
