If 1 cup of popcorn kernels produces 5 bowls of popped corn, then to find out how many bowls 8 cups of kernels would produce, you can multiply:
\[ 8 \text{ cups} \times 5 \text{ bowls/cup} = 40 \text{ bowls} \]
So, 8 cups of kernels would produce 40 bowls of popped corn.