No problem, we've got 6442 and 2134 to multiply
6442 × 2134 = 2134 × (6442)
+ 2134 × 2 which equals 4268
+ 2134 × 40 yielding 85360
+ 2134 × 400 what gives us 853600
+ 2134 × 6000 that equals 12804000

= 13747228
