Alright, let's work through 77380971 times 70466655 step by step
77380971 × 70466655 = 70466655 × (77380971)
+ 70466655 × 1 that results in 70466655
+ 70466655 × 70 yielding 4932665850
+ 70466655 × 900 that equals 63419989500
+ 70466655 × 0000 yielding 0
+ 70466655 × 80000 that is equal 5637332400000
+ 70466655 × 300000 that is equal 21139996500000
+ 70466655 × 7000000 what gives us 493266585000000
+ 70466655 × 70000000 producing 4932665850000000

= 5452778187022005
