A garment factory produces a batch of garments. It originally planned to use 2.2m of cloth for each set. Due to the improved cutting technology, each set saves 0.2m of cloth. Originally produced 660 sets of clothes, how many sets can be made now?
服装厂生产一批服装，原计划每套用布2.2m，由于改进了裁剪技术，每套节约0.2m布，原来生产660套衣服的布，现在可以做多少套？
<gadget id="calculator">2.2 * 660</gadget>
<output>1_452</output>

<gadget id="calculator">2.2 - 0.2</gadget>
<output>2</output>

<gadget id="calculator">1_452 / 2</gadget>
<output>726</output>

<result>726</result>