No problem, we've got 5638 and 2304 to multiply
5638 × 2304 = 2304 × (5638)
+ 2304 × 8 resulting in 18432
+ 2304 × 30 yielding 69120
+ 2304 × 600 yielding 1382400
+ 2304 × 5000 producing 11520000

= 12989952
