Alright, let's work through 75105036 times 57638388 step by step
75105036 × 57638388 = 57638388 × (75105036)
+ 57638388 × 6 that results in 345830328
+ 57638388 × 30 resulting in 1729151640
+ 57638388 × 000 that equals 0
+ 57638388 × 5000 that equals 288191940000
+ 57638388 × 00000 which equals 0
+ 57638388 × 100000 what gives us 5763838800000
+ 57638388 × 5000000 what gives us 288191940000000
+ 57638388 × 70000000 producing 4034687160000000

= 4328933205721968
