Alright, let's work through 64076803 times 48963668 step by step
64076803 × 48963668 = 48963668 × (64076803)
+ 48963668 × 3 that equals 146891004
+ 48963668 × 00 yielding 0
+ 48963668 × 800 yielding 39170934400
+ 48963668 × 6000 what gives us 293782008000
+ 48963668 × 70000 producing 3427456760000
+ 48963668 × 000000 producing 0
+ 48963668 × 4000000 what gives us 195854672000000
+ 48963668 × 60000000 yielding 2937820080000000

= 3137435308593404
