No problem, we've got 8013 and 623 to multiply
8013 × 623 = 623 × (8013)
+ 623 × 3 what gives us 1869
+ 623 × 10 giving us 6230
+ 623 × 000 what gives us 0
+ 623 × 8000 what gives us 4984000

= 4992099
