how to do addition in javascript

1console.log(10+"1"); //101
2console.log(10-"1"); //9

1//To add in Java script, you have to put an additon symbol '+' between them. If you have stored two numbers in variables, just put an addition symbol between the variable names.
2//For example:
3var a = 5
4var b = 6
5var c = a+b
6var d = 5+6
7
8Bot.send (c)/ print (c)// or whatever you use to get output
9Bot.send (d)/ print (d)// or whatever you use to get output
10
11//output will be: 11, 11