A garment factory originally used 3.8 meters of cloth to make a set of uniforms. After changing the cutting method, each set saved 0.2 meters of cloth. It used to make 1,800 sets of uniforms. How many sets can it make now?
一个服装厂原来做一套制服用3.8米布，改变裁剪方法后，每套节省布0.2米，原来做1800套制服的布，现在可以做多少套？
<gadget id="calculator">3.8 * 1_800</gadget>
<output>6_840</output>

<gadget id="calculator">3.8 - 0.2</gadget>
<output>3.6</output>

<gadget id="calculator">6_840 / 3.6</gadget>
<output>1_900</output>

<result>1_900</result>