Blank Space Part 5
\[ \large 3 \, \square \, 4 \, \square \, 5 \]
There are \( 4^2 = 16\) ways in which we can fill the squares with \( +, -, \times, \div\).
Of all these 16 ways, there are two numbers for which their sum is 0. What is the product of these two numbers?
You are not allowed to use parenthesis.
Obey the order of operations.