Alright, let's work through 79993402 times 78300496 step by step
79993402 × 78300496 = 78300496 × (79993402)
+ 78300496 × 2 what gives us 156600992
+ 78300496 × 00 that is equal 0
+ 78300496 × 400 that equals 31320198400
+ 78300496 × 3000 that is equal 234901488000
+ 78300496 × 90000 that is equal 7047044640000
+ 78300496 × 900000 what gives us 70470446400000
+ 78300496 × 9000000 that results in 704704464000000
+ 78300496 × 70000000 what gives us 5481034720000000

= 6263523053327392
