Alright, let's work through 40800774 times 51062945 step by step
40800774 × 51062945 = 51062945 × (40800774)
+ 51062945 × 4 what gives us 204251780
+ 51062945 × 70 which equals 3574406150
+ 51062945 × 700 that is equal 35744061500
+ 51062945 × 0000 that is equal 0
+ 51062945 × 00000 that equals 0
+ 51062945 × 800000 producing 40850356000000
+ 51062945 × 0000000 what gives us 0
+ 51062945 × 40000000 what gives us 2042517800000000

= 2083407678719430
