Alright, let's work through 51198537 times 39945422 step by step
51198537 × 39945422 = 39945422 × (51198537)
+ 39945422 × 7 what gives us 279617954
+ 39945422 × 30 that equals 1198362660
+ 39945422 × 500 yielding 19972711000
+ 39945422 × 8000 resulting in 319563376000
+ 39945422 × 90000 which equals 3595087980000
+ 39945422 × 100000 which equals 3994542200000
+ 39945422 × 1000000 producing 39945422000000
+ 39945422 × 50000000 resulting in 1997271100000000

= 2045147166247614
