Alright, let's work through 51159370 times 99080921 step by step
51159370 × 99080921 = 99080921 × (51159370)
+ 99080921 × 0 which equals 0
+ 99080921 × 70 giving us 6935664470
+ 99080921 × 300 that equals 29724276300
+ 99080921 × 9000 that results in 891728289000
+ 99080921 × 50000 that results in 4954046050000
+ 99080921 × 100000 producing 9908092100000
+ 99080921 × 1000000 that results in 99080921000000
+ 99080921 × 50000000 yielding 4954046050000000

= 5068917497379770
