Alright, let's work through 41489947 times 99609161 step by step
41489947 × 99609161 = 99609161 × (41489947)
+ 99609161 × 7 what gives us 697264127
+ 99609161 × 40 producing 3984366440
+ 99609161 × 900 resulting in 89648244900
+ 99609161 × 9000 what gives us 896482449000
+ 99609161 × 80000 yielding 7968732880000
+ 99609161 × 400000 which equals 39843664400000
+ 99609161 × 1000000 giving us 99609161000000
+ 99609161 × 40000000 giving us 3984366440000000

= 4132778810604467
