Alright, let's work through 82481771 times 77956758 step by step
82481771 × 77956758 = 77956758 × (82481771)
+ 77956758 × 1 what gives us 77956758
+ 77956758 × 70 yielding 5456973060
+ 77956758 × 700 that results in 54569730600
+ 77956758 × 1000 giving us 77956758000
+ 77956758 × 80000 that results in 6236540640000
+ 77956758 × 400000 producing 31182703200000
+ 77956758 × 2000000 producing 155913516000000
+ 77956758 × 80000000 producing 6236540640000000

= 6430011461258418
