Alright, let's work through 3249 times 7503 step by step
3249 × 7503 = 7503 × (3249)
+ 7503 × 9 which equals 67527
+ 7503 × 40 what gives us 300120
+ 7503 × 200 what gives us 1500600
+ 7503 × 3000 giving us 22509000

= 24377247
