No problem, we've got 81363848 and 84738225 to multiply
81363848 × 84738225 = 84738225 × (81363848)
+ 84738225 × 8 that is equal 677905800
+ 84738225 × 40 resulting in 3389529000
+ 84738225 × 800 which equals 67790580000
+ 84738225 × 3000 giving us 254214675000
+ 84738225 × 60000 yielding 5084293500000
+ 84738225 × 300000 that equals 25421467500000
+ 84738225 × 1000000 that equals 84738225000000
+ 84738225 × 80000000 resulting in 6779058000000000

= 6894628058689800
