When you purchased your house, you took out a $30-$year mortgage with an interest rate of $4\mathrm{.}8\%$ per year. The monthly payment on the mortgage $$1,500.$ You have just made a payment and have now decided to pay the mortgage off by repaying the outstanding balance.

What is the payoff amount if you have lived in the house for $18$ years $($so there are $12$ years left on the mortgage$)?$ Payoff amount is $$,($Round to the nearest dollar.$)$