Alright, let's work through 13086710 times 70971598 step by step
13086710 × 70971598 = 70971598 × (13086710)
+ 70971598 × 0 giving us 0
+ 70971598 × 10 yielding 709715980
+ 70971598 × 700 what gives us 49680118600
+ 70971598 × 6000 that results in 425829588000
+ 70971598 × 80000 that results in 5677727840000
+ 70971598 × 000000 that equals 0
+ 70971598 × 3000000 that results in 212914794000000
+ 70971598 × 10000000 producing 709715980000000

= 928784721262580
