Uncle Li bought a set of commercial housing and paid by installments. One payment method is to pay 140,000 yuan in the first year, and 60,000 yuan a year thereafter; the other payment method is to pay 85,000 yuan a year for the first half of the time, and 75,000 yuan a year for the second half of the time. The payment amount and payment time of the two methods are the same. If you make a one-time payment, you can pay 16,000 yuan less. Now Uncle Li wants to pay off the house in one go. How much is the house payment?
李叔叔购买了一套商品房，采用分期付款的方式．一种付款方式是第一年先付14万元，以后每年付6万元；另一种付款方式是前一半时间每年付8万5千元后，后一半时间每年付7万5千元．两种方式的付款钱数和付款时间相同．假如一次性付款，可以少付1万6千元．现在李叔叔想一次付清房款，要付房款多少万元？
<gadget id="calculator">14 - 6</gadget>
<output>8</output>

<gadget id="calculator">8.5 * 0.5</gadget>
<output>4.25</output>

<gadget id="calculator">7.5 * 0.5</gadget>
<output>3.75</output>

<gadget id="calculator">3.75 - 6</gadget>
<output>-2.25</output>

<gadget id="calculator">4.25 + (-2.25)</gadget>
<output>2</output>

<gadget id="calculator">8 / 2</gadget>
<output>4</output>

<gadget id="calculator">4 - 1</gadget>
<output>3</output>

<gadget id="calculator">6 * 3</gadget>
<output>18</output>

<gadget id="calculator">18 - 1.6</gadget>
<output>16.4</output>

<gadget id="calculator">14 + 16.4</gadget>
<output>30.4</output>

<result>30.4</result>