Alright, let's work through 71275948 times 66064879 step by step
71275948 × 66064879 = 66064879 × (71275948)
+ 66064879 × 8 that results in 528519032
+ 66064879 × 40 which equals 2642595160
+ 66064879 × 900 that equals 59458391100
+ 66064879 × 5000 what gives us 330324395000
+ 66064879 × 70000 yielding 4624541530000
+ 66064879 × 200000 which equals 13212975800000
+ 66064879 × 1000000 that is equal 66064879000000
+ 66064879 × 70000000 giving us 4624541530000000

= 4708836880230292
