No problem, we've got 6129 and 1988 to multiply
6129 × 1988 = 1988 × (6129)
+ 1988 × 9 which equals 17892
+ 1988 × 20 what gives us 39760
+ 1988 × 100 that equals 198800
+ 1988 × 6000 resulting in 11928000

= 12184452
