Alright, let's work through 51005822 times 7824894 step by step
51005822 × 7824894 = 7824894 × (51005822)
+ 7824894 × 2 that equals 15649788
+ 7824894 × 20 that is equal 156497880
+ 7824894 × 800 giving us 6259915200
+ 7824894 × 5000 which equals 39124470000
+ 7824894 × 00000 which equals 0
+ 7824894 × 000000 what gives us 0
+ 7824894 × 1000000 what gives us 7824894000000
+ 7824894 × 50000000 which equals 391244700000000

= 399115150532868
