No problem, we've got 87156599 and 76748562 to multiply
87156599 × 76748562 = 76748562 × (87156599)
+ 76748562 × 9 yielding 690737058
+ 76748562 × 90 resulting in 6907370580
+ 76748562 × 500 that results in 38374281000
+ 76748562 × 6000 yielding 460491372000
+ 76748562 × 50000 that equals 3837428100000
+ 76748562 × 100000 which equals 7674856200000
+ 76748562 × 7000000 that results in 537239934000000
+ 76748562 × 80000000 which equals 6139884960000000

= 6689143642060638
