Alright, let's work through 92109408 times 78264340 step by step
92109408 × 78264340 = 78264340 × (92109408)
+ 78264340 × 8 that results in 626114720
+ 78264340 × 00 giving us 0
+ 78264340 × 400 that equals 31305736000
+ 78264340 × 9000 producing 704379060000
+ 78264340 × 00000 that equals 0
+ 78264340 × 100000 that results in 7826434000000
+ 78264340 × 2000000 that equals 156528680000000
+ 78264340 × 90000000 producing 7043790600000000

= 7208882024910720
