Alright, let's work through 40807364 times 71905668 step by step
40807364 × 71905668 = 71905668 × (40807364)
+ 71905668 × 4 that results in 287622672
+ 71905668 × 60 what gives us 4314340080
+ 71905668 × 300 that is equal 21571700400
+ 71905668 × 7000 that is equal 503339676000
+ 71905668 × 00000 yielding 0
+ 71905668 × 800000 producing 57524534400000
+ 71905668 × 0000000 that results in 0
+ 71905668 × 40000000 which equals 2876226720000000

= 2934280767739152
