Alright, let's work through 12722755 times 71371007 step by step
12722755 × 71371007 = 71371007 × (12722755)
+ 71371007 × 5 that equals 356855035
+ 71371007 × 50 that equals 3568550350
+ 71371007 × 700 that is equal 49959704900
+ 71371007 × 2000 that equals 142742014000
+ 71371007 × 20000 yielding 1427420140000
+ 71371007 × 700000 that is equal 49959704900000
+ 71371007 × 2000000 which equals 142742014000000
+ 71371007 × 10000000 that results in 713710070000000

= 908035836164285
