The machine tool factory produced 360 machine tools this year, an increase of 20% over last year. How many machine tools were produced last year?
机床厂今年生产机床360台，比去年增产20%，去年生产机床多少台？
<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">360 / (6/5)</gadget>
<output>300</output>

<result>300</result>