A factory plans to produce 2.4 million yuan this year, an increase of 20% over last year. How much was the output value of this factory last year?
一个工厂今年计划产值为240万元，比去年增加了20%．这个工厂去年产值为多少万元？
<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">240 / (6/5)</gadget>
<output>200</output>

<result>200</result>