Alright, let's work through 84493669 times 31394093 step by step
84493669 × 31394093 = 31394093 × (84493669)
+ 31394093 × 9 that equals 282546837
+ 31394093 × 60 yielding 1883645580
+ 31394093 × 600 yielding 18836455800
+ 31394093 × 3000 what gives us 94182279000
+ 31394093 × 90000 that equals 2825468370000
+ 31394093 × 400000 what gives us 12557637200000
+ 31394093 × 4000000 giving us 125576372000000
+ 31394093 × 80000000 giving us 2511527440000000

= 2652602102497217
