Alright, let's work through 80842679 times 13061973 step by step
80842679 × 13061973 = 13061973 × (80842679)
+ 13061973 × 9 that equals 117557757
+ 13061973 × 70 that equals 914338110
+ 13061973 × 600 that results in 7837183800
+ 13061973 × 2000 producing 26123946000
+ 13061973 × 40000 giving us 522478920000
+ 13061973 × 800000 that equals 10449578400000
+ 13061973 × 0000000 giving us 0
+ 13061973 × 80000000 resulting in 1044957840000000

= 1055964890345667
