This year, 240,000 washing machines were produced, an increase of 20% over last year. How many thousands were produced last year?
今年生产洗衣机24万台，比去年增加了20%，去年生产了多少万台？
<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">24 / (6/5)</gadget>
<output>20</output>

<result>20</result>