Alright, let's work through 40156001 times 85053790 step by step
40156001 × 85053790 = 85053790 × (40156001)
+ 85053790 × 1 giving us 85053790
+ 85053790 × 00 producing 0
+ 85053790 × 000 resulting in 0
+ 85053790 × 6000 that is equal 510322740000
+ 85053790 × 50000 which equals 4252689500000
+ 85053790 × 100000 that results in 8505379000000
+ 85053790 × 0000000 what gives us 0
+ 85053790 × 40000000 what gives us 3402151600000000

= 3415420076293790
