We're going to solve 1398 multiplied by 4415
1398 × 4415 = 4415 × (1398)
+ 4415 × 8 that equals 35320
+ 4415 × 90 what gives us 397350
+ 4415 × 300 giving us 1324500
+ 4415 × 1000 producing 4415000

= 6172170
