1. The problem is to calculate the product of 5 and 0. 2. The formula for multiplication is $a \times b$, where $a$ and $b$ are numbers. 3. An important rule in multiplication is that any number multiplied by 0 equals 0. 4. Applying this rule, we have $5 \times 0 = 0$. 5. Therefore, the final answer is 0.