expressions in the screenshot should give the same result,
but this does not happen. The result is the same if you change the incoming pins places. I think this is a mistake. Parent transform should be the relative who get the value?
Hello Sn_a_ke,
This appears to be a known issue. I have provided a link to the public tracker. Please feel free to use the link provided for future updates.
Link: Unreal Engine Issues and Bug Tracker (UE-31887)
Make it a great day