Alright, let's work through 72038960 times 66679375 step by step
72038960 × 66679375 = 66679375 × (72038960)
+ 66679375 × 0 resulting in 0
+ 66679375 × 60 producing 4000762500
+ 66679375 × 900 producing 60011437500
+ 66679375 × 8000 resulting in 533435000000
+ 66679375 × 30000 what gives us 2000381250000
+ 66679375 × 000000 resulting in 0
+ 66679375 × 2000000 giving us 133358750000000
+ 66679375 × 70000000 producing 4667556250000000

= 4803512828450000
