I am having problems getting my output from in the final form on cmd I have the name I have the age But, I am having issues with getting the last to...

I am having problems getting my output from in the final form on cmd

I have the name

I have the age

But, I am having issues with getting the last to popular with multiple variables.

@ECHO Welcome to my batch f..>@ECHO=========================

ECHO.

@echo off

cls

set my var=You entered

set /p your name=Enter your first name:

echo.

echo %my_var% %your_first%

echo.

set my var=You entered

Set /P my_var=Enter your last name:

echo.

echo %my_var% %last_name%

echo.

set my var=You entered

Set /P my_var=Enter your age:

echo.

echo %my_var% %your_age%

echo.

ECHO Thank you, first last! You are age today!