Alright, let's work through 40208637 times 69505470 step by step
40208637 × 69505470 = 69505470 × (40208637)
+ 69505470 × 7 that is equal 486538290
+ 69505470 × 30 what gives us 2085164100
+ 69505470 × 600 that is equal 41703282000
+ 69505470 × 8000 yielding 556043760000
+ 69505470 × 00000 that results in 0
+ 69505470 × 200000 resulting in 13901094000000
+ 69505470 × 0000000 producing 0
+ 69505470 × 40000000 resulting in 2780218800000000

= 2794720212744390
