A store sells 120 sets of adult clothes a day, which is less than children's clothes (3/5). How many sets of children's clothing were sold today?
某商店一天卖出成人服装120套，比儿童服装少卖(3/5)．这天卖了多少套儿童装？
<gadget id="calculator">3 / 5</gadget>
<output>3/5 = around 0.6</output>

<gadget id="calculator">1 - (3/5)</gadget>
<output>2/5 = around 0.4</output>

<gadget id="calculator">120 / (2/5)</gadget>
<output>300</output>

<result>300</result>