Alright, let's work through 76004343 times 64740353 step by step
76004343 × 64740353 = 64740353 × (76004343)
+ 64740353 × 3 giving us 194221059
+ 64740353 × 40 that equals 2589614120
+ 64740353 × 300 that equals 19422105900
+ 64740353 × 4000 yielding 258961412000
+ 64740353 × 00000 resulting in 0
+ 64740353 × 000000 that results in 0
+ 64740353 × 6000000 producing 388442118000000
+ 64740353 × 70000000 producing 4531824710000000

= 4920547995353079
