Alright, let's work through 71472213 times 82521423 step by step
71472213 × 82521423 = 82521423 × (71472213)
+ 82521423 × 3 that equals 247564269
+ 82521423 × 10 resulting in 825214230
+ 82521423 × 200 giving us 16504284600
+ 82521423 × 2000 giving us 165042846000
+ 82521423 × 70000 producing 5776499610000
+ 82521423 × 400000 yielding 33008569200000
+ 82521423 × 1000000 what gives us 82521423000000
+ 82521423 × 70000000 giving us 5776499610000000

= 5897988721719099
