Alright, let's work through 78879858 times 60873497 step by step
78879858 × 60873497 = 60873497 × (78879858)
+ 60873497 × 8 that is equal 486987976
+ 60873497 × 50 what gives us 3043674850
+ 60873497 × 800 giving us 48698797600
+ 60873497 × 9000 which equals 547861473000
+ 60873497 × 70000 producing 4261144790000
+ 60873497 × 800000 that results in 48698797600000
+ 60873497 × 8000000 yielding 486987976000000
+ 60873497 × 70000000 that equals 4261144790000000

= 4801692799323426
