Alright, let's work through 40207795 times 17945267 step by step
40207795 × 17945267 = 17945267 × (40207795)
+ 17945267 × 5 yielding 89726335
+ 17945267 × 90 producing 1615074030
+ 17945267 × 700 producing 12561686900
+ 17945267 × 7000 that results in 125616869000
+ 17945267 × 00000 what gives us 0
+ 17945267 × 200000 that equals 3589053400000
+ 17945267 × 0000000 that equals 0
+ 17945267 × 40000000 that results in 717810680000000

= 721539616756265
