Alright, let's work through 40082031 times 42426260 step by step
40082031 × 42426260 = 42426260 × (40082031)
+ 42426260 × 1 that is equal 42426260
+ 42426260 × 30 yielding 1272787800
+ 42426260 × 000 resulting in 0
+ 42426260 × 2000 yielding 84852520000
+ 42426260 × 80000 resulting in 3394100800000
+ 42426260 × 000000 yielding 0
+ 42426260 × 0000000 resulting in 0
+ 42426260 × 40000000 that results in 1697050400000000

= 1700530668534060
