Alright, let's work through 6303 times 3900 step by step
6303 × 3900 = 3900 × (6303)
+ 3900 × 3 that results in 11700
+ 3900 × 00 that equals 0
+ 3900 × 300 what gives us 1170000
+ 3900 × 6000 producing 23400000

= 24581700
