No problem, we've got 82184867 and 66647164 to multiply
82184867 × 66647164 = 66647164 × (82184867)
+ 66647164 × 7 resulting in 466530148
+ 66647164 × 60 giving us 3998829840
+ 66647164 × 800 what gives us 53317731200
+ 66647164 × 4000 which equals 266588656000
+ 66647164 × 80000 that equals 5331773120000
+ 66647164 × 100000 resulting in 6664716400000
+ 66647164 × 2000000 yielding 133294328000000
+ 66647164 × 80000000 yielding 5331773120000000

= 5477388309267188
