No problem, we've got 6669 and 7872 to multiply
6669 × 7872 = 7872 × (6669)
+ 7872 × 9 which equals 70848
+ 7872 × 60 giving us 472320
+ 7872 × 600 that results in 4723200
+ 7872 × 6000 producing 47232000

= 52498368
