No problem, we've got 6381 and 2280 to multiply
6381 × 2280 = 2280 × (6381)
+ 2280 × 1 what gives us 2280
+ 2280 × 80 that results in 182400
+ 2280 × 300 resulting in 684000
+ 2280 × 6000 resulting in 13680000

= 14548680
