Alright, let's work through 80457300 times 62828301 step by step
80457300 × 62828301 = 62828301 × (80457300)
+ 62828301 × 0 producing 0
+ 62828301 × 00 that results in 0
+ 62828301 × 300 that equals 18848490300
+ 62828301 × 7000 that is equal 439798107000
+ 62828301 × 50000 resulting in 3141415050000
+ 62828301 × 400000 which equals 25131320400000
+ 62828301 × 0000000 what gives us 0
+ 62828301 × 80000000 which equals 5026264080000000

= 5054995462047300
