This is adding the opperator adds two or more variables together.
Addition 2 + 3 =5
This is subtraction this opperator subtracts from two or more variables.
subtraction 3 - 2 = 1
This is multiplication this opperator multiples two or more variables.
Multiplication 2 * 3 = 6
This is divsion this opperator divides two variables.
Divsion 8 / 4 = 2
This is how you find the remainder of a divsor.
The remainder of 8 / 3 is 2