Alright, let's work through 68574560 times 51354372 step by step
68574560 × 51354372 = 51354372 × (68574560)
+ 51354372 × 0 which equals 0
+ 51354372 × 60 what gives us 3081262320
+ 51354372 × 500 giving us 25677186000
+ 51354372 × 4000 what gives us 205417488000
+ 51354372 × 70000 giving us 3594806040000
+ 51354372 × 500000 that is equal 25677186000000
+ 51354372 × 8000000 producing 410834976000000
+ 51354372 × 60000000 yielding 3081262320000000

= 3521603463976320
