Alright, let's work through 76789072 times 71902192 step by step
76789072 × 71902192 = 71902192 × (76789072)
+ 71902192 × 2 which equals 143804384
+ 71902192 × 70 resulting in 5033153440
+ 71902192 × 000 that equals 0
+ 71902192 × 9000 what gives us 647119728000
+ 71902192 × 80000 that is equal 5752175360000
+ 71902192 × 700000 resulting in 50331534400000
+ 71902192 × 6000000 that equals 431413152000000
+ 71902192 × 70000000 that equals 5033153440000000

= 5521302598445824
