No problem, we've got 4125 and 3858 to multiply
4125 × 3858 = 3858 × (4125)
+ 3858 × 5 producing 19290
+ 3858 × 20 giving us 77160
+ 3858 × 100 that results in 385800
+ 3858 × 4000 that equals 15432000

= 15914250
