No problem, we've got 4087 and 3835 to multiply
4087 × 3835 = 3835 × (4087)
+ 3835 × 7 resulting in 26845
+ 3835 × 80 producing 306800
+ 3835 × 000 that results in 0
+ 3835 × 4000 which equals 15340000

= 15673645
