Alright, let's work through 76640706 times 60080256 step by step
76640706 × 60080256 = 60080256 × (76640706)
+ 60080256 × 6 what gives us 360481536
+ 60080256 × 00 that equals 0
+ 60080256 × 700 what gives us 42056179200
+ 60080256 × 0000 producing 0
+ 60080256 × 40000 that results in 2403210240000
+ 60080256 × 600000 which equals 36048153600000
+ 60080256 × 6000000 which equals 360481536000000
+ 60080256 × 70000000 that is equal 4205617920000000

= 4604593236500736
