It sounds like you have done a good job getting out of debt following Dave Ramsey. But if you are really interested in FIRE, you need to move past the limiting view that "debt is bad" -- you need to maximize the value of every dollar you have, which sometimes mean accepting low-interest debt in order to free up money for higher priorities (like, say, building a 'stache that can support you for 40-50 years). For example, a house: Mortgage rates are still near historic lows. If you can buy a house with a loan @4% (tax-deductible) interest, that allows you to put the other 80% in the stock market right away. Historically, the market has done quite significantly better than 4% over periods of a decade or two -- and really, if the market doesn't do better than that over the next 10-20 years, you're not going to FIRE in that timeframe anyway.
In your case, you are leaving a ton of money on the table -- or, more specifically, paying it to Uncle Sam. You guys make $120K/yr and have basically nothing to deduct, so you are going to get the $24K standard deduction, for a net of about $90K AGI (because your 401(k) contributions don't show up in your AGI). Now, your first
@$38K of that is pretty good -- you're paying 0-10% tax on that. But for every dollar over that figure, you are paying $0.22-$0.24 to Uncle Sam. See
https://taxfoundation.org/2018-tax-brackets/. That means you have $0.22-$0.24
less to put to work for you. So for every dollar you earn over that $38K AGI, you're really only paying $0.76-$0.78 to your debt.
Why does that matter? Because for every single one of those dollars that you put towards your 401(k) or IRA*, you get to put the full $1 in -- and then that dollar grows tax-deferred for years and years until you use it. Boiled down, your net worth will improve a
lot faster if you put as much as you can into tax-deferred investments than it will if you keep putting only 3/4 of that amount toward tax-deductible loans and paying the other 1/4 to Uncle Sam.
I am explaining this to provide some context for the Investment Order sticky italianant posted -- that thing is brilliant and an excellent guidepost. So unless your student loans are at a high interest rate, I would strongly recommend maxing out your 401(k)s and deductible IRAs first, while just paying the minimum on your student loans; with your income, and living rent-free, you should be able to do so easily. I would also recommend planning for only a 20% downpayment on a home (so you can avoid PMI) rather than paying cash -- the big thing to remember there is that a home is fundamentally a consumption item, not an "investment," because you will always need somewhere to live, so focus on not buying more house than you actually need.
*Note that with an AGI around $90K, you should be eligible for both a 401(k) and a deductible IRA, unless you had big tax deductions for student loans that would need to be added back in.