Help me, math.

Hi, I want to install a new parameter like this:
A = BC (mathematical expression)
B, C are known numbers.
So how do I find the number A?
Thanks.

@phamtracanh said in Help me, math.:
Hi, I want to install a new parameter like this:
A = BC (mathematical expression)
B, C are known numbers.
So how do I find the number A?
Thanks.

@Fox Thank you very much.