No problem, we've got 7872 and 6845 to multiply
7872 × 6845 = 6845 × (7872)
+ 6845 × 2 resulting in 13690
+ 6845 × 70 that is equal 479150
+ 6845 × 800 giving us 5476000
+ 6845 × 7000 yielding 47915000

= 53883840
