We're going to solve 80978 multiplied by 18145575
80978 × 18145575 = 18145575 × (80978)
+ 18145575 × 8 yielding 145164600
+ 18145575 × 70 resulting in 1270190250
+ 18145575 × 900 yielding 16331017500
+ 18145575 × 0000 which equals 0
+ 18145575 × 80000 yielding 1451646000000

= 1469392372350
