Alright, let's work through 6657 times 7926 step by step
6657 × 7926 = 7926 × (6657)
+ 7926 × 7 which equals 55482
+ 7926 × 50 which equals 396300
+ 7926 × 600 that equals 4755600
+ 7926 × 6000 that is equal 47556000

= 52763382
