We're going to solve 3925 multiplied by 4121
3925 × 4121 = 4121 × (3925)
+ 4121 × 5 what gives us 20605
+ 4121 × 20 what gives us 82420
+ 4121 × 900 what gives us 3708900
+ 4121 × 3000 that equals 12363000

= 16174925
