Alright, let's work through 81475729 times 46340334 step by step
81475729 × 46340334 = 46340334 × (81475729)
+ 46340334 × 9 giving us 417063006
+ 46340334 × 20 resulting in 926806680
+ 46340334 × 700 that results in 32438233800
+ 46340334 × 5000 resulting in 231701670000
+ 46340334 × 70000 resulting in 3243823380000
+ 46340334 × 400000 resulting in 18536133600000
+ 46340334 × 1000000 that equals 46340334000000
+ 46340334 × 80000000 what gives us 3707226720000000

= 3775612494753486
