Arithmetic Operators in PHP

Addition: 25 + 5 = 30
Subtraction: 25 - 5 = 20
Multiplication: 25 * 5 = 125
Division: 25 / 5 = 5
Exponent: 25 ** 5 = 9765625

The first operators adds the first variable to the second. The second subtracts the first from the second. The third multiplies the first by the second. The fourth divides the frist by the secnond. Lastly, the final operator raises the first variable to the power of the second.