Hello, I was hoping to find an easy solution to the following problem.
Thanks in advance for any help you might be able to provide.

Say I have a single cell whose value is a function of values of two
other cells

A3 = A2 * A1

If I were to make a multiplication table with A1 on one axis and A2 on
the other, would I be able to fill it out by using the function
specified above? Up until now, I have had to manually enter in each
values into cells A1 and A2 and then 'special paste' the value of A3
into each table entry. This can get quite time consuming for tables
with big dimensions. Is there an easy way to do this? Thanks again.

-Yuto S.