No problem, we've got 6639 and 1321 to multiply
6639 × 1321 = 1321 × (6639)
+ 1321 × 9 yielding 11889
+ 1321 × 30 that results in 39630
+ 1321 × 600 yielding 792600
+ 1321 × 6000 which equals 7926000

= 8770119
