No problem, we've got 3835 and 5599 to multiply
3835 × 5599 = 5599 × (3835)
+ 5599 × 5 which equals 27995
+ 5599 × 30 that equals 167970
+ 5599 × 800 that equals 4479200
+ 5599 × 3000 that equals 16797000

= 21472165
