Alright, let's work through 40429588 times 29928497 step by step
40429588 × 29928497 = 29928497 × (40429588)
+ 29928497 × 8 that is equal 239427976
+ 29928497 × 80 resulting in 2394279760
+ 29928497 × 500 resulting in 14964248500
+ 29928497 × 9000 what gives us 269356473000
+ 29928497 × 20000 that is equal 598569940000
+ 29928497 × 400000 which equals 11971398800000
+ 29928497 × 0000000 which equals 0
+ 29928497 × 40000000 that is equal 1197139880000000

= 1209996803169236
