I’m not sure if the board can be randomized but that looks like the same one I got
You’re on the right track with your thinking, I’d suggest rechecking your math
Here’s an example of how you’d get the scores:
Please help, the dart puzzle is killing me, my brain is frying looking at this thing and I'm getting frustrated because I evidently calculated something wrong and I don't know what!!
....after taking a long break, I just realized I was adding my final score with the heart score BEFORE multiplication every time, even though I wrote both down. Moral of the story, take a break I suppose. Thanks for your help!