No problem, we've got 8587 and 6815 to multiply
8587 × 6815 = 6815 × (8587)
+ 6815 × 7 that results in 47705
+ 6815 × 80 what gives us 545200
+ 6815 × 500 resulting in 3407500
+ 6815 × 8000 that results in 54520000

= 58520405
