Alright, let's work through 40160628 times 91072068 step by step
40160628 × 91072068 = 91072068 × (40160628)
+ 91072068 × 8 that results in 728576544
+ 91072068 × 20 giving us 1821441360
+ 91072068 × 600 resulting in 54643240800
+ 91072068 × 0000 what gives us 0
+ 91072068 × 60000 resulting in 5464324080000
+ 91072068 × 100000 which equals 9107206800000
+ 91072068 × 0000000 resulting in 0
+ 91072068 × 40000000 that is equal 3642882720000000

= 3657511444138704
