Board Thread:Questions and Answers/@comment-181.73.117.169-20160318152704

Hi, im just starting to play kancolle and i completed a quest but it gave me a green icon with a "50" (and another quest gave me a 80), anyone can explain what does this means?..i read everything i can find but i still dont find an answer (sorry if its hard to understand me, english is not my 1st language) 