Alright, let's work through 40821782 times 98101219 step by step
40821782 × 98101219 = 98101219 × (40821782)
+ 98101219 × 2 resulting in 196202438
+ 98101219 × 80 that results in 7848097520
+ 98101219 × 700 that results in 68670853300
+ 98101219 × 1000 giving us 98101219000
+ 98101219 × 20000 resulting in 1962024380000
+ 98101219 × 800000 giving us 78480975200000
+ 98101219 × 0000000 yielding 0
+ 98101219 × 40000000 producing 3924048760000000

= 4004666575952258
