Alright, let's work through 71709761 times 80884316 step by step
71709761 × 80884316 = 80884316 × (71709761)
+ 80884316 × 1 yielding 80884316
+ 80884316 × 60 that is equal 4853058960
+ 80884316 × 700 giving us 56619021200
+ 80884316 × 9000 that is equal 727958844000
+ 80884316 × 00000 producing 0
+ 80884316 × 700000 giving us 56619021200000
+ 80884316 × 1000000 yielding 80884316000000
+ 80884316 × 70000000 yielding 5661902120000000

= 5800194969008476
