No problem, we've got 86942736 and 10079378 to multiply
86942736 × 10079378 = 10079378 × (86942736)
+ 10079378 × 6 which equals 60476268
+ 10079378 × 30 giving us 302381340
+ 10079378 × 700 producing 7055564600
+ 10079378 × 2000 that results in 20158756000
+ 10079378 × 40000 giving us 403175120000
+ 10079378 × 900000 that equals 9071440200000
+ 10079378 × 6000000 resulting in 60476268000000
+ 10079378 × 80000000 yielding 806350240000000

= 876328700498208
