A garment factory produced 120,000 sets of garments in the second half of the year, which was 1/5 more than in the first half of the year. How many sets of garments were produced in the first half of the year?
某服装厂下半年生产服装12万套，比上半年多(1/5)，上半年生产服装多少套？
<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">12 / (6/5)</gadget>
<output>10</output>

<result>10</result>