No problem, we've got 5153 and 4137 to multiply
5153 × 4137 = 4137 × (5153)
+ 4137 × 3 yielding 12411
+ 4137 × 50 producing 206850
+ 4137 × 100 producing 413700
+ 4137 × 5000 yielding 20685000

= 21317961
