Alright, let's work through 64080900 times 93701099 step by step
64080900 × 93701099 = 93701099 × (64080900)
+ 93701099 × 0 resulting in 0
+ 93701099 × 00 which equals 0
+ 93701099 × 900 producing 84330989100
+ 93701099 × 0000 yielding 0
+ 93701099 × 80000 yielding 7496087920000
+ 93701099 × 000000 yielding 0
+ 93701099 × 4000000 what gives us 374804396000000
+ 93701099 × 60000000 that equals 5622065940000000

= 6004450754909100
