No problem, we've got 2101 and 6860 to multiply
2101 × 6860 = 6860 × (2101)
+ 6860 × 1 resulting in 6860
+ 6860 × 00 what gives us 0
+ 6860 × 100 which equals 686000
+ 6860 × 2000 yielding 13720000

= 14412860
