Why output is 28 pls explain guys

Question

https://code.sololearn.com/cElFwEZI9Jh8/?ref=app

Answer 1

Macro substitution is simple text replacement before it compiles.
(28/square(4))
Replace square(4) with 4*4:
(28/4*4)
Now reduce according to order of operations (left to right in this case):
(7*4)
(28)
Proper macro definition would fix it:
#define square(x) ((x)*(x))

Answer 2

Brian, that is correct. Thanks for the explanation

Answer 3

thanks for explanation🙏🙏

Answer 4

I'm no expert in C but it gives the expected result (1) when you enclose square(4) in parentheses; (square(4))

Answer 5

David Akhihiero your right but how it evaluate in this case bro without parentheses