Alright, let's work through 3147 times 2430 step by step
3147 × 2430 = 2430 × (3147)
+ 2430 × 7 yielding 17010
+ 2430 × 40 yielding 97200
+ 2430 × 100 that is equal 243000
+ 2430 × 3000 which equals 7290000

= 7647210
