A garment factory needs to make 2,759 sets of clothes. It has been done for 19 days, and 13 sets are made every day. How many sets are left?
一个服装厂要做2759套衣服，已经做了19天，每天做13套，还剩多少套没有做？
<gadget id="calculator">19 * 13</gadget>
<output>247</output>

<gadget id="calculator">2_759 - 247</gadget>
<output>2_512</output>

<result>2_512</result>