Two big useful tools are one, File Storage tools, and two, Project Management Tools.
A PS4 because there the most popular game out right now
There were
balls but we took
balls out, so there are now
balls. We add
balls and now we have
balls.
The program that computes this (I will use python as language has not been specified is the following):
n, a, b = int(input()), int(input()), int(input())
print(f"There are {n-a+b} balls in the box")
# Hope this helps
The motherboard contains the central electronic components of the computer.