Alright, let's work through 6393 times 4947 step by step
6393 × 4947 = 4947 × (6393)
+ 4947 × 3 what gives us 14841
+ 4947 × 90 that is equal 445230
+ 4947 × 300 that is equal 1484100
+ 4947 × 6000 yielding 29682000

= 31626171
