Alright, let's work through 70135724 times 54414825 step by step
70135724 × 54414825 = 54414825 × (70135724)
+ 54414825 × 4 which equals 217659300
+ 54414825 × 20 that is equal 1088296500
+ 54414825 × 700 that equals 38090377500
+ 54414825 × 5000 that results in 272074125000
+ 54414825 × 30000 which equals 1632444750000
+ 54414825 × 100000 what gives us 5441482500000
+ 54414825 × 0000000 that is equal 0
+ 54414825 × 70000000 resulting in 3809037750000000

= 3816423147708300
