When you are put into a difficult situation and have to choose whether do something very important and consider it later ar consider it first and do it carefully later... like if you like chocolate but your stomach reacts badly to it you have to consider it before you end up eating it
You say thank you or something related to that.
Radha Radheya Pandey writes a letter from the Adarsh Vidyalaya, Librarian, Lucknow to Manager Navneet Publication, Mumbai to write books for her school.
That's all it says... there is no question. But if you wanted me to translate, that's what it says.
-4 + 4 + 13
13 is the answer