Alright, let's work through 75756768 times 66103248 step by step
75756768 × 66103248 = 66103248 × (75756768)
+ 66103248 × 8 yielding 528825984
+ 66103248 × 60 yielding 3966194880
+ 66103248 × 700 producing 46272273600
+ 66103248 × 6000 producing 396619488000
+ 66103248 × 50000 giving us 3305162400000
+ 66103248 × 700000 resulting in 46272273600000
+ 66103248 × 5000000 giving us 330516240000000
+ 66103248 × 70000000 that equals 4627227360000000

= 5007768422782464
