Multiply 13 7 1A7497

1. The problem is to multiply 13 by 7. 2. The multiplication formula is $a \times b = c$, where $a$ and $b$ are numbers and $c$ is their product. 3. Here, $a = 13$ and $b = 7$. 4. Multiply 13 by 7: $$13 \times 7 = 91$$ 5. So, the answer is 91.