By the end of March this year, 750,000 taxpayers in Beijing had self-declared annual income of more than 120,000 yuan, an increase of (1/5) compared to last year. How many million people were there last year?
截止到今年3月底，北京自行申报年收入12万元以上的纳税人已达到75万人，比去年增长了(1/5)．去年有多少万人？
<gadget id="calculator">1 / 5</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">75 / (6/5)</gadget>
<output>125/2 = around 62.5</output>

<result>125/2 = around 62.5</result>