Alright, let's work through 51351303 times 80925006 step by step
51351303 × 80925006 = 80925006 × (51351303)
+ 80925006 × 3 resulting in 242775018
+ 80925006 × 00 yielding 0
+ 80925006 × 300 yielding 24277501800
+ 80925006 × 1000 giving us 80925006000
+ 80925006 × 50000 that results in 4046250300000
+ 80925006 × 300000 what gives us 24277501800000
+ 80925006 × 1000000 what gives us 80925006000000
+ 80925006 × 50000000 giving us 4046250300000000

= 4155604503382818
