Alright, let's work through 78109308 times 26325644 step by step
78109308 × 26325644 = 26325644 × (78109308)
+ 26325644 × 8 producing 210605152
+ 26325644 × 00 that is equal 0
+ 26325644 × 300 that is equal 7897693200
+ 26325644 × 9000 yielding 236930796000
+ 26325644 × 00000 giving us 0
+ 26325644 × 100000 giving us 2632564400000
+ 26325644 × 8000000 that results in 210605152000000
+ 26325644 × 70000000 yielding 1842795080000000

= 2056277835494352
