Buying a 180m**2 commercial house, I have paid three times in total, the first payment is the second (1/2), the second payment is the third (3/4), and the known Paying 60,000 yuan more than the first time three times, how much will it cost to buy this house?
买一套180m**2的商品房，共交了三次，第一次交房款是第二次的(1/2)，第二次交房款是第三次的(3/4)，已知第三次比第一次多交6万元，买这套房子需要多少钱？
<gadget id="calculator">3 / 4</gadget>
<output>3/4 = around 0.75</output>

<gadget id="calculator">1 / (3/4)</gadget>
<output>4/3 = around 1.333333</output>

<gadget id="calculator">1 / 2</gadget>
<output>1/2 = around 0.5</output>

<gadget id="calculator">(4/3) - (1/2)</gadget>
<output>5/6 = around 0.833333</output>

<gadget id="calculator">6 / (5/6)</gadget>
<output>36/5 = around 7.2</output>

<gadget id="calculator">(36/5) * (1/2)</gadget>
<output>18/5 = around 3.6</output>

<gadget id="calculator">(18/5) + 6</gadget>
<output>48/5 = around 9.6</output>

<gadget id="calculator">(18/5) + (36/5) + (48/5)</gadget>
<output>102/5 = around 20.4</output>

<result>102/5 = around 20.4</result>