Alright, let's work through 41987094 times 91215884 step by step
41987094 × 91215884 = 91215884 × (41987094)
+ 91215884 × 4 that equals 364863536
+ 91215884 × 90 producing 8209429560
+ 91215884 × 000 that is equal 0
+ 91215884 × 7000 that equals 638511188000
+ 91215884 × 80000 which equals 7297270720000
+ 91215884 × 900000 what gives us 82094295600000
+ 91215884 × 1000000 that is equal 91215884000000
+ 91215884 × 40000000 which equals 3648635360000000

= 3829889895801096
