No problem, we've got 6889 and 4190 to multiply
6889 × 4190 = 4190 × (6889)
+ 4190 × 9 that is equal 37710
+ 4190 × 80 giving us 335200
+ 4190 × 800 producing 3352000
+ 4190 × 6000 that results in 25140000

= 28864910
