Alright, let's work through 77120197 times 45047004 step by step
77120197 × 45047004 = 45047004 × (77120197)
+ 45047004 × 7 resulting in 315329028
+ 45047004 × 90 producing 4054230360
+ 45047004 × 100 that equals 4504700400
+ 45047004 × 0000 producing 0
+ 45047004 × 20000 that is equal 900940080000
+ 45047004 × 100000 producing 4504700400000
+ 45047004 × 7000000 producing 315329028000000
+ 45047004 × 70000000 resulting in 3153290280000000

= 3474033822739788
