Arush loves it when Dad reads him pop-up books. In his favorite book, there is a page with a fox waving. When the page is open to an angle of $105^\circ$, the fox's hand is waving to the left. When the page is opened $45^\circ$ more, the fox's hand waves to the right.
**What is the angle of the page when the fox's hand waves to the right?**
[[☃ input-number 1]] $^\circ$