Xiaofang's family bought a house with a total price of 180,000 yuan. If the house payment is paid in one lump sum, there will be a discount of 10% on the price. After the price reduction, what is the total price of this house?
小芳家买了一套总价为18万元的住房，如果一次性付清房款，就有降价10%的优惠．降价后，这套住房的总价是多少？
<gadget id="calculator">10 / 100</gadget>
<output>1/10 = around 0.1</output>

<gadget id="calculator">1 - (1/10)</gadget>
<output>9/10 = around 0.9</output>

<gadget id="calculator">18 * (9/10)</gadget>
<output>81/5 = around 16.2</output>

<result>81/5 = around 16.2</result>