Alright, let's work through 6311 times 8388 step by step
6311 × 8388 = 8388 × (6311)
+ 8388 × 1 what gives us 8388
+ 8388 × 10 resulting in 83880
+ 8388 × 300 that is equal 2516400
+ 8388 × 6000 resulting in 50328000

= 52936668
