Alright, let's work through 78140908 times 3706972 step by step
78140908 × 3706972 = 3706972 × (78140908)
+ 3706972 × 8 yielding 29655776
+ 3706972 × 00 resulting in 0
+ 3706972 × 900 producing 3336274800
+ 3706972 × 0000 that equals 0
+ 3706972 × 40000 that results in 148278880000
+ 3706972 × 100000 that equals 370697200000
+ 3706972 × 8000000 giving us 29655776000000
+ 3706972 × 70000000 what gives us 259488040000000

= 289666158010576
