The garment factory produced 1260 sets of garments last month, and this month it produced more (1/7) than last month. How many sets were produced this month?
服装厂上个月做服装1260套，这个月比上个月多做了(1/7)，这个月做了多少套？
<gadget id="calculator">1 / 7</gadget>
<output>1/7 = around 0.142857</output>

<gadget id="calculator">1 + (1/7)</gadget>
<output>8/7 = around 1.142857</output>

<gadget id="calculator">1_260 * (8/7)</gadget>
<output>1_440</output>

<result>1_440</result>