The craft factory originally needed 2.3 meters of colored rope to weave a Chinese knot. After the improvement plan, each Chinese knot can save 0.3 meters of colored rope. The original color rope used to weave 500 Chinese knots, how many can we weave now?
工艺厂原来编一个中国结需彩绳2.3米，改进方案后，每个中国结可以节约彩绳0.3米，原来编500个中国结用的彩绳，现在可以编多少个？
<gadget id="calculator">2.3 * 500</gadget>
<output>1_150</output>

<gadget id="calculator">2.3 - 0.3</gadget>
<output>2</output>

<gadget id="calculator">1_150 / 2</gadget>
<output>575</output>

<result>575</result>