Alright, let's work through 71246712 times 99244913 step by step
71246712 × 99244913 = 99244913 × (71246712)
+ 99244913 × 2 what gives us 198489826
+ 99244913 × 10 that equals 992449130
+ 99244913 × 700 that equals 69471439100
+ 99244913 × 6000 producing 595469478000
+ 99244913 × 40000 that is equal 3969796520000
+ 99244913 × 200000 that results in 19848982600000
+ 99244913 × 1000000 yielding 99244913000000
+ 99244913 × 70000000 producing 6947143910000000

= 7070873733976056
