Alright, let's work through 71396712 times 66562301 step by step
71396712 × 66562301 = 66562301 × (71396712)
+ 66562301 × 2 what gives us 133124602
+ 66562301 × 10 producing 665623010
+ 66562301 × 700 what gives us 46593610700
+ 66562301 × 6000 producing 399373806000
+ 66562301 × 90000 which equals 5990607090000
+ 66562301 × 300000 resulting in 19968690300000
+ 66562301 × 1000000 giving us 66562301000000
+ 66562301 × 70000000 which equals 4659361070000000

= 4752329434554312
