Alright, let's work through 41215721 times 78833497 step by step
41215721 × 78833497 = 78833497 × (41215721)
+ 78833497 × 1 resulting in 78833497
+ 78833497 × 20 producing 1576669940
+ 78833497 × 700 giving us 55183447900
+ 78833497 × 5000 which equals 394167485000
+ 78833497 × 10000 giving us 788334970000
+ 78833497 × 200000 yielding 15766699400000
+ 78833497 × 1000000 giving us 78833497000000
+ 78833497 × 40000000 resulting in 3153339880000000

= 3249179417806337
