Alright, let's work through 79299666 times 19974623 step by step
79299666 × 19974623 = 19974623 × (79299666)
+ 19974623 × 6 yielding 119847738
+ 19974623 × 60 that results in 1198477380
+ 19974623 × 600 yielding 11984773800
+ 19974623 × 9000 yielding 179771607000
+ 19974623 × 90000 that results in 1797716070000
+ 19974623 × 200000 yielding 3994924600000
+ 19974623 × 9000000 which equals 179771607000000
+ 19974623 × 70000000 which equals 1398223610000000

= 1583980932375918
