By the way, the problem in your syntax is that you’re missing the concatenation operator after the answer insertion, but string formatting is cleaner anyway.
What you’re wanting to do is called “string interpolation.”
No. Lua doesn’t have that built in. The closest you can easily get is string.format, like what @Avigant suggests. There are examples of making your own string interpolation functions online, however.
Your code is not working because you forgot to write the concatenation .. symbols between some sections of your string currently formatted like this: