Addition example: 10 + 10
The solution is: 20
In the math problem above the two numbers are added together to get 20

Subtration example: 120 - 20
The solution is: 100
In the math problem above the two numbers are added subtracted from each other to get 100

Multiplication example: 5 * 5
The solution is: 25
In the math problem above the two numbers are multiplied together to get 25

Division example: 100 / 10
The solution is: 10
In the math problem above 100 is divided by 10 to get 10

Modulus example: 123/20
The solution is: 3
In the math problem above the 123 is divided by 20 but the remainder is 3