The Right Side of the Keyboard Types Numbers Only
Laptop keyboard has an option FN+NumLk, with which you can make the keys UIO-JKL-M type numbers 0-6.
Turn off the option by pressing again the same key combination Fn+NumLk.
In some laptops the key combination could be Fn+NumLock or Fn+F11. Different keys may be used to type numbers.
The Fn key is located in the bottom left corner of the keyboard. NumLk is located in the upper right corner of the keyboard (usually Scroll and NumLk are in the same key).