Alright, let's work through 5412 times 6303 step by step
5412 × 6303 = 6303 × (5412)
+ 6303 × 2 giving us 12606
+ 6303 × 10 producing 63030
+ 6303 × 400 yielding 2521200
+ 6303 × 5000 giving us 31515000

= 34111836
