No problem, we've got 3126 and 5125 to multiply
3126 × 5125 = 5125 × (3126)
+ 5125 × 6 giving us 30750
+ 5125 × 20 giving us 102500
+ 5125 × 100 what gives us 512500
+ 5125 × 3000 resulting in 15375000

= 16020750
