No problem, we've got 5250 and 3865 to multiply
5250 × 3865 = 3865 × (5250)
+ 3865 × 0 what gives us 0
+ 3865 × 50 that is equal 193250
+ 3865 × 200 yielding 773000
+ 3865 × 5000 yielding 19325000

= 20291250
