Alright, let's work through 81162071 times 48830795 step by step
81162071 × 48830795 = 48830795 × (81162071)
+ 48830795 × 1 that equals 48830795
+ 48830795 × 70 which equals 3418155650
+ 48830795 × 000 producing 0
+ 48830795 × 2000 which equals 97661590000
+ 48830795 × 60000 which equals 2929847700000
+ 48830795 × 100000 producing 4883079500000
+ 48830795 × 1000000 which equals 48830795000000
+ 48830795 × 80000000 yielding 3906463600000000

= 3963208450776445
