No problem, we've got 5423 and 9879 to multiply
5423 × 9879 = 9879 × (5423)
+ 9879 × 3 resulting in 29637
+ 9879 × 20 that equals 197580
+ 9879 × 400 which equals 3951600
+ 9879 × 5000 which equals 49395000

= 53573817
