Alright, let's work through 78017452 times 91472504 step by step
78017452 × 91472504 = 91472504 × (78017452)
+ 91472504 × 2 that results in 182945008
+ 91472504 × 50 producing 4573625200
+ 91472504 × 400 that equals 36589001600
+ 91472504 × 7000 that results in 640307528000
+ 91472504 × 10000 which equals 914725040000
+ 91472504 × 000000 what gives us 0
+ 91472504 × 8000000 producing 731780032000000
+ 91472504 × 70000000 which equals 6403075280000000

= 7136451690139808
