Alright, let's work through 6437995 times 2474031 step by step
6437995 × 2474031 = 2474031 × (6437995)
+ 2474031 × 5 that results in 12370155
+ 2474031 × 90 what gives us 222662790
+ 2474031 × 900 yielding 2226627900
+ 2474031 × 7000 that equals 17318217000
+ 2474031 × 30000 which equals 74220930000
+ 2474031 × 400000 which equals 989612400000
+ 2474031 × 6000000 what gives us 14844186000000

= 15927799207845
