Blank Space Part 2
\[ \large 1 \, \square \, 2 \, \square \, 3 \]
There are \( 4^2= 16 \) ways in which we can fill the squares with \( + , - ,\times, \div\).
Of all these 16 ways, we can find 16 not necessarily distinct numbers. What is the product of all these 16 numbers?
You are not allowed to use parenthesis.
Obey the order of operations.