No problem, we've got 5193 and 3897 to multiply
5193 × 3897 = 3897 × (5193)
+ 3897 × 3 that equals 11691
+ 3897 × 90 which equals 350730
+ 3897 × 100 that is equal 389700
+ 3897 × 5000 that is equal 19485000

= 20237121
