Here are some common translations:
* "Good, it's good." This conveys a sense of relief that something turned out well.
* "That's good." This is a more neutral way to express satisfaction.
* "Well, that's good." This adds a bit more emphasis to the positive outcome.
* "I'm glad." This implies that the speaker is happy about the situation.
It's important to remember that the exact meaning of "mabuti naman" will vary depending on the context and tone of voice used.