Alright, let's work through 71504912 times 51223610 step by step
71504912 × 51223610 = 51223610 × (71504912)
+ 51223610 × 2 yielding 102447220
+ 51223610 × 10 yielding 512236100
+ 51223610 × 900 resulting in 46101249000
+ 51223610 × 4000 giving us 204894440000
+ 51223610 × 00000 that equals 0
+ 51223610 × 500000 producing 25611805000000
+ 51223610 × 1000000 resulting in 51223610000000
+ 51223610 × 70000000 that results in 3585652700000000

= 3662739725372320
