A factory produces 60,000 bicycles this year, which is 1/5 more than last year. How many million bicycles were produced last year?
某厂今年生产自行车6万辆，比去年增产(1/5)，去年生产多少万辆自行车？
<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">6 / (6/5)</gadget>
<output>5</output>

<result>5</result>