SOLUTION:
We know that (0)! (pronounced as Zero Factorial), is equal to 1.
So, using four zeros, we can arrive at the result of 24 as follows:
[ (0)! + (0)! + (0)! + (0)! ] !
That is, the factorial of the sum of the factorials of four zeros, each taken separately), giving 4!, which is equal to 24.
