Alright, let's work through 80706794 times 6508485 step by step
80706794 × 6508485 = 6508485 × (80706794)
+ 6508485 × 4 that equals 26033940
+ 6508485 × 90 resulting in 585763650
+ 6508485 × 700 what gives us 4555939500
+ 6508485 × 6000 yielding 39050910000
+ 6508485 × 00000 that results in 0
+ 6508485 × 700000 producing 4555939500000
+ 6508485 × 0000000 that equals 0
+ 6508485 × 80000000 that results in 520678800000000

= 525278958147090
