Alright, let's work through 71523936 times 66567443 step by step
71523936 × 66567443 = 66567443 × (71523936)
+ 66567443 × 6 that is equal 399404658
+ 66567443 × 30 producing 1997023290
+ 66567443 × 900 what gives us 59910698700
+ 66567443 × 3000 giving us 199702329000
+ 66567443 × 20000 that is equal 1331348860000
+ 66567443 × 500000 which equals 33283721500000
+ 66567443 × 1000000 that is equal 66567443000000
+ 66567443 × 70000000 resulting in 4659721010000000

= 4761165532815648
