Alright, let's work through 75520539 times 66267991 step by step
75520539 × 66267991 = 66267991 × (75520539)
+ 66267991 × 9 producing 596411919
+ 66267991 × 30 which equals 1988039730
+ 66267991 × 500 that results in 33133995500
+ 66267991 × 0000 yielding 0
+ 66267991 × 20000 giving us 1325359820000
+ 66267991 × 500000 resulting in 33133995500000
+ 66267991 × 5000000 what gives us 331339955000000
+ 66267991 × 70000000 which equals 4638759370000000

= 5004594398767149
