Alright, let's work through 79918392 times 71432187 step by step
79918392 × 71432187 = 71432187 × (79918392)
+ 71432187 × 2 resulting in 142864374
+ 71432187 × 90 that equals 6428896830
+ 71432187 × 300 that is equal 21429656100
+ 71432187 × 8000 that is equal 571457496000
+ 71432187 × 10000 that is equal 714321870000
+ 71432187 × 900000 producing 64288968300000
+ 71432187 × 9000000 giving us 642889683000000
+ 71432187 × 70000000 what gives us 5000253090000000

= 5708745522083304
