Alright, let's work through 66481665 times 49455215 step by step
66481665 × 49455215 = 49455215 × (66481665)
+ 49455215 × 5 that results in 247276075
+ 49455215 × 60 what gives us 2967312900
+ 49455215 × 600 that results in 29673129000
+ 49455215 × 1000 that is equal 49455215000
+ 49455215 × 80000 yielding 3956417200000
+ 49455215 × 400000 resulting in 19782086000000
+ 49455215 × 6000000 yielding 296731290000000
+ 49455215 × 60000000 what gives us 2967312900000000

= 3287865036132975
