No problem, we've got 5304 and 3808 to multiply
5304 × 3808 = 3808 × (5304)
+ 3808 × 4 which equals 15232
+ 3808 × 00 which equals 0
+ 3808 × 300 yielding 1142400
+ 3808 × 5000 producing 19040000

= 20197632
