Alright, let's work through 80842673 times 28332529 step by step
80842673 × 28332529 = 28332529 × (80842673)
+ 28332529 × 3 that equals 84997587
+ 28332529 × 70 that results in 1983277030
+ 28332529 × 600 that equals 16999517400
+ 28332529 × 2000 that equals 56665058000
+ 28332529 × 40000 what gives us 1133301160000
+ 28332529 × 800000 yielding 22666023200000
+ 28332529 × 0000000 which equals 0
+ 28332529 × 80000000 resulting in 2266602320000000

= 2290477377210017
