No problem, we've got 5239 and 2533 to multiply
5239 × 2533 = 2533 × (5239)
+ 2533 × 9 which equals 22797
+ 2533 × 30 what gives us 75990
+ 2533 × 200 that is equal 506600
+ 2533 × 5000 producing 12665000

= 13270387
