It used to be 2.2 meters of cloth to make a set of clothes, but after improving the cutting method, each set saved 0.2 meters. How many sets of cloth can be made now for 3,000 sets of clothes?
原来做一套衣服用2.2米布，改进裁剪方法后每套节省0.2米，原来做3000套衣服的布，现在可以做多少套？
<gadget id="calculator">2.2 * 3_000</gadget>
<output>6_600</output>

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

<gadget id="calculator">6_600 / 2</gadget>
<output>3_300</output>

<result>3_300</result>