Creating functions with certain inputs but no outputs

How to create a function called x with two inputs. Two variables x and y then display the sum, difference , product and quotient.

example two variables are 6 and 7

6+7 = 13

6-7 = -1

6*7 = 42

6/7 = 0.857

Answer 1

[madhan ravi]

 doc *
 doc +
 doc -
 doc /
 doc function

[madhan ravi]

Follow the same for other operations.