An issue with multiple arguments function

Hello, I have an issue with the output of multiple arguments in function and also for some reason inside console.log all the same color

, this is my code :

function exercise(username, age) {

console.log(‘hello ${username} your age is ${age}’);


exercise(‘Ali’, 30);

exercise(‘sara’, 25);

exercise(‘dalton’, 20);

output :

hello ${username} your age is ${age}

hello ${username} your age is ${age}

hello ${username} your age is ${age}

template literals (MDN docs), the feature you attempt to use requires you to enclose your string in back-ticks/grave accents.

Thank you Very much,
have a good day sir