Alright, let's work through 75903705 times 75666329 step by step
75903705 × 75666329 = 75666329 × (75903705)
+ 75666329 × 5 what gives us 378331645
+ 75666329 × 00 producing 0
+ 75666329 × 700 that results in 52966430300
+ 75666329 × 3000 that equals 226998987000
+ 75666329 × 00000 resulting in 0
+ 75666329 × 900000 giving us 68099696100000
+ 75666329 × 5000000 what gives us 378331645000000
+ 75666329 × 70000000 that results in 5296643030000000

= 5743354714848945
