Alright, let's work through 13302257 times 83573203 step by step
13302257 × 83573203 = 83573203 × (13302257)
+ 83573203 × 7 that is equal 585012421
+ 83573203 × 50 that results in 4178660150
+ 83573203 × 200 which equals 16714640600
+ 83573203 × 2000 which equals 167146406000
+ 83573203 × 00000 giving us 0
+ 83573203 × 300000 resulting in 25071960900000
+ 83573203 × 3000000 producing 250719609000000
+ 83573203 × 10000000 which equals 835732030000000

= 1111712224619171
