Alright, let's work through 45231279 times 83124915 step by step
45231279 × 83124915 = 83124915 × (45231279)
+ 83124915 × 9 that is equal 748124235
+ 83124915 × 70 resulting in 5818744050
+ 83124915 × 200 resulting in 16624983000
+ 83124915 × 1000 giving us 83124915000
+ 83124915 × 30000 resulting in 2493747450000
+ 83124915 × 200000 which equals 16624983000000
+ 83124915 × 5000000 what gives us 415624575000000
+ 83124915 × 40000000 that equals 3324996600000000

= 3759846222216285
