The housing price of a residential area has increased by 20% this year compared to last year. Xiaohua’s father bought a 150-square-meter house at a price of 540,000 yuan this year. At last year’s price, this suite needs 10,000 yuan?
某住宅小区的房价今年比去年上涨了20%，小华爸爸今年以54万元的房价买了一套150平方米的住房，这套房按去年的价格需要的是万元？
<gadget id="calculator">20 / 100</gadget>
<output>1/5 = around 0.2</output>

<gadget id="calculator">1 + (1/5)</gadget>
<output>6/5 = around 1.2</output>

<gadget id="calculator">54 / (6/5)</gadget>
<output>45</output>

<result>45</result>