To buy a commercial house of 180 square meters, the first payment is the second (2/3), and the second payment is the third (4/5). It is known that the third payment is more than the first Pay 60,000 yuan, how much does it cost to buy this house?
买一套180㎡的商品房，第一次交房款是第二次的(2/3)，第二次交房款是第三次的(4/5)，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">4 / 5</gadget>
<output>4/5 = around 0.8</output>

<gadget id="calculator">2 / 3</gadget>
<output>2/3 = around 0.666667</output>

<gadget id="calculator">1 * (4/5) * (2/3)</gadget>
<output>8/15 = around 0.533333</output>

<gadget id="calculator">1 - (8/15)</gadget>
<output>7/15 = around 0.466667</output>

<gadget id="calculator">7 / (7/15)</gadget>
<output>15</output>

<gadget id="calculator">15 * (4/5)</gadget>
<output>12</output>

<gadget id="calculator">15 * (4/5) * (2/3)</gadget>
<output>8</output>

<gadget id="calculator">15 + 12 + 8</gadget>
<output>35</output>

<result>35</result>