Alright, let's work through 80769644 times 55714509 step by step
80769644 × 55714509 = 55714509 × (80769644)
+ 55714509 × 4 producing 222858036
+ 55714509 × 40 giving us 2228580360
+ 55714509 × 600 that results in 33428705400
+ 55714509 × 9000 which equals 501430581000
+ 55714509 × 60000 which equals 3342870540000
+ 55714509 × 700000 yielding 39000156300000
+ 55714509 × 0000000 giving us 0
+ 55714509 × 80000000 which equals 4457160720000000

= 4500041057564796
