No problem, we've got 5039 and 2628 to multiply
5039 × 2628 = 2628 × (5039)
+ 2628 × 9 that is equal 23652
+ 2628 × 30 yielding 78840
+ 2628 × 000 that is equal 0
+ 2628 × 5000 resulting in 13140000

= 13242492
