Lol
what my rating will be after 3 months from now

Depends how seriously you take it. If I remember correctly, Kasparov and the Polgars had only slightly higher IQs that what you were measured at.
#1
After 200 hours of doing the right thing you should be at a rating of 2000.
Your first priority should be to get rid of blunders. Always check your intended move is no blunder before you play it. Hang no pieces, hang no pawns and you are 1500.
After that you can work on tactics: tactics puzzles but even more play and analysis of your lost games.
So guys, the school vacation will start in a few days and it is for 3 months, and I was wondering if I started learning chess from now 12 hours a day what my rating will be after three months and btw my iq is 125 tested on iq-global-test.com