Exactly, it's multiplication. Example: He was saving $10 every month before the change. Then he switched and now he is saving 10 x $10, ie $100 every month. B

Exactly, it's multiplication. Example: He was saving $10 every month before the change. Then he switched and now he is saving 10 x $10, ie $100 every month. But that's not the case here, right? And that's why the parent post is correct.