No problem, we've got 6392 and 2141 to multiply
6392 × 2141 = 2141 × (6392)
+ 2141 × 2 that is equal 4282
+ 2141 × 90 what gives us 192690
+ 2141 × 300 producing 642300
+ 2141 × 6000 that results in 12846000

= 13685272
