We're going to solve 63665864 multiplied by 28163678
63665864 × 28163678 = 28163678 × (63665864)
+ 28163678 × 4 resulting in 112654712
+ 28163678 × 60 giving us 1689820680
+ 28163678 × 800 producing 22530942400
+ 28163678 × 5000 giving us 140818390000
+ 28163678 × 60000 yielding 1689820680000
+ 28163678 × 600000 what gives us 16898206800000
+ 28163678 × 3000000 yielding 84491034000000
+ 28163678 × 60000000 yielding 1689820680000000

= 1793064893287792
