Alright, let's work through 82378498 times 70735298 step by step
82378498 × 70735298 = 70735298 × (82378498)
+ 70735298 × 8 what gives us 565882384
+ 70735298 × 90 giving us 6366176820
+ 70735298 × 400 what gives us 28294119200
+ 70735298 × 8000 giving us 565882384000
+ 70735298 × 70000 yielding 4951470860000
+ 70735298 × 300000 what gives us 21220589400000
+ 70735298 × 2000000 that results in 141470596000000
+ 70735298 × 80000000 that is equal 5658823840000000

= 5827067604822404
