Alright, let's work through 70721024 times 51492414 step by step
70721024 × 51492414 = 51492414 × (70721024)
+ 51492414 × 4 that equals 205969656
+ 51492414 × 20 that is equal 1029848280
+ 51492414 × 000 producing 0
+ 51492414 × 1000 resulting in 51492414000
+ 51492414 × 20000 resulting in 1029848280000
+ 51492414 × 700000 resulting in 36044689800000
+ 51492414 × 0000000 giving us 0
+ 51492414 × 70000000 yielding 3604468980000000

= 3641596246311936
