The garment factory used to make a suit with 2.4 meters of fabric, but now it can save 0.1 meters of fabric for each suit after improving the cutting technology. Now you are making 600 sets of fabrics, how many sets you could only make before?
服装厂以前做一套西装用布料2.4米，现在改进裁剪技术后每套可以节约布料0.1米．现在做600套的布料，以前只能做多少套？
<gadget id="calculator">2.4 - 0.1</gadget>
<output>2.3</output>

<gadget id="calculator">600 / 2.4</gadget>
<output>250</output>

<gadget id="calculator">2.3 * 250</gadget>
<output>575</output>

<result>575</result>