Alright, let's work through 6757 times 4647 step by step
6757 × 4647 = 4647 × (6757)
+ 4647 × 7 that is equal 32529
+ 4647 × 50 resulting in 232350
+ 4647 × 700 that is equal 3252900
+ 4647 × 6000 that equals 27882000

= 31399779
