Alright, let's work through 80475899 times 61002667 step by step
80475899 × 61002667 = 61002667 × (80475899)
+ 61002667 × 9 resulting in 549024003
+ 61002667 × 90 producing 5490240030
+ 61002667 × 800 giving us 48802133600
+ 61002667 × 5000 yielding 305013335000
+ 61002667 × 70000 that is equal 4270186690000
+ 61002667 × 400000 that equals 24401066800000
+ 61002667 × 0000000 resulting in 0
+ 61002667 × 80000000 producing 4880213360000000

= 4909244468222633
