Alright, let's work through 78251986 times 26677558 step by step
78251986 × 26677558 = 26677558 × (78251986)
+ 26677558 × 6 that results in 160065348
+ 26677558 × 80 which equals 2134204640
+ 26677558 × 900 resulting in 24009802200
+ 26677558 × 1000 yielding 26677558000
+ 26677558 × 50000 that results in 1333877900000
+ 26677558 × 200000 producing 5335511600000
+ 26677558 × 8000000 that equals 213420464000000
+ 26677558 × 70000000 what gives us 1867429060000000

= 2087571895130188
