Alright, let's work through 6308 times 3138 step by step
6308 × 3138 = 3138 × (6308)
+ 3138 × 8 that equals 25104
+ 3138 × 00 that is equal 0
+ 3138 × 300 that equals 941400
+ 3138 × 6000 resulting in 18828000

= 19794504
