Alright, let's work through 78099402 times 69467697 step by step
78099402 × 69467697 = 69467697 × (78099402)
+ 69467697 × 2 that is equal 138935394
+ 69467697 × 00 that is equal 0
+ 69467697 × 400 producing 27787078800
+ 69467697 × 9000 that is equal 625209273000
+ 69467697 × 90000 that results in 6252092730000
+ 69467697 × 000000 yielding 0
+ 69467697 × 8000000 that is equal 555741576000000
+ 69467697 × 70000000 that equals 4862738790000000

= 5425385594017194
