Alright, let's work through 78095683 times 21375934 step by step
78095683 × 21375934 = 21375934 × (78095683)
+ 21375934 × 3 producing 64127802
+ 21375934 × 80 which equals 1710074720
+ 21375934 × 600 yielding 12825560400
+ 21375934 × 5000 what gives us 106879670000
+ 21375934 × 90000 giving us 1923834060000
+ 21375934 × 000000 that results in 0
+ 21375934 × 8000000 producing 171007472000000
+ 21375934 × 70000000 producing 1496315380000000

= 1669368165492922
