No problem, we've got 87132759 and 80001157 to multiply
87132759 × 80001157 = 80001157 × (87132759)
+ 80001157 × 9 that equals 720010413
+ 80001157 × 50 which equals 4000057850
+ 80001157 × 700 producing 56000809900
+ 80001157 × 2000 producing 160002314000
+ 80001157 × 30000 that equals 2400034710000
+ 80001157 × 100000 resulting in 8000115700000
+ 80001157 × 7000000 giving us 560008099000000
+ 80001157 × 80000000 which equals 6400092560000000

= 6970721532602163
