So with help I solved my issue. I was going to the correct place but was but using

I guess I am missing something.

I get if you do the math in the order left to right. However order of operation stat to multiply comes before adding unless it is in parentheses. Doing the puzzle I don’t see where the moving ball goes over something that is obviously showing that the addition is surrounded by parentheses, therefor...

I got this however

Thank you. I have never seen it that way.

I think I know what to do but I need a hint on….

Thank you!!!! Always forget to check how others use date order (I am in America) . It gets me stumped almost always. Maybe, just maybe, this will cement it in my memory to check for this.

Finished the book however I am not sure how I solved #22 by using the clue pages the way intended and would to love to know the correct way. I have ... looked and both hints but couldn’t figure any correlation soI just matches up the cutouts till I got a number , but don’t know how it relates to 161...