A garment factory used to use 2.5 meters of cloth to make a set of uniforms. After improving the process, each uniform saved 0.5 meters of cloth. It used to make 800 sets of uniforms, how many sets can it make now?
一个服装厂，原来做一套制服要用2.5米布，改进工艺后，每套制服节约0.5米布，原来做800套制服的布，现在可以做多少套？
<gadget id="calculator">2.5 * 800</gadget>
<output>2_000</output>

<gadget id="calculator">2.5 - 0.5</gadget>
<output>2</output>

<gadget id="calculator">2_000 / 2</gadget>
<output>1_000</output>

<result>1_000</result>