Alright, let's work through 75254645 times 70199143 step by step
75254645 × 70199143 = 70199143 × (75254645)
+ 70199143 × 5 giving us 350995715
+ 70199143 × 40 yielding 2807965720
+ 70199143 × 600 giving us 42119485800
+ 70199143 × 4000 yielding 280796572000
+ 70199143 × 50000 producing 3509957150000
+ 70199143 × 200000 what gives us 14039828600000
+ 70199143 × 5000000 producing 350995715000000
+ 70199143 × 70000000 that results in 4913940010000000

= 5282811585769235
