What comes in
Your take-home pay, per month — everyone in the household combined.
Putting the surplus on the loan would clear it about 14 yrs 1 mo sooner. Model it in detail.
Saving the surplus, you'd close the $60,000 gap to your $80,000 goal. Track it on your runway.
Rough numbers are fine — this is a first look, not a full budget. It doesn't track your spending or store anything; everything stays in your browser (and in the link, if you copy it). A licensed adviser can turn a surplus into a real plan.