Try This and Prepare to be Amazed...
If someone ever told you that the answer... ...them that is wrong. The answer is " 6174 " and here's why (and prepare to ge... ...6642 - 2466 = 4176 7641 - 1467 = 6174 Try any 4-digit number with non-repeating... ...peating digits, and you'll *always*...
https://www.neatorama.com/2010/04/08/try-this-and-prepare-to-be-amazed/
