Returns the product of all numbers
(* [number number] ...)
The result of the multiplication. If you supply only one number argument, this function returns the result of multiplying it by one; it returns the number. Supplying no arguments returns 0.
(* 2 3) returns 6
(* 2 3.0) returns 6.0
(* 2 3 4.0) returns 24.0
(* 3 -4.5) returns -13.5
(* 3) returns 3