No problem, we've got 6912 and 4224 to multiply
6912 × 4224 = 4224 × (6912)
+ 4224 × 2 that is equal 8448
+ 4224 × 10 producing 42240
+ 4224 × 900 yielding 3801600
+ 4224 × 6000 which equals 25344000

= 29196288
