No problem, we've got 6911 and 1604 to multiply
6911 × 1604 = 1604 × (6911)
+ 1604 × 1 which equals 1604
+ 1604 × 10 what gives us 16040
+ 1604 × 900 giving us 1443600
+ 1604 × 6000 yielding 9624000

= 11085244
