Alright, let's work through 79973435 times 73878383 step by step
79973435 × 73878383 = 73878383 × (79973435)
+ 73878383 × 5 producing 369391915
+ 73878383 × 30 that is equal 2216351490
+ 73878383 × 400 giving us 29551353200
+ 73878383 × 3000 that results in 221635149000
+ 73878383 × 70000 giving us 5171486810000
+ 73878383 × 900000 giving us 66490544700000
+ 73878383 × 9000000 resulting in 664905447000000
+ 73878383 × 70000000 producing 5171486810000000

= 5908308060755605
