The toy factory can make 5 dolls with 2.6 meters of cloth. After improving the process, each doll can save 0.02 meters of cloth. How many meters of cloth does each doll need now?
玩具厂用2.6米布可做布娃娃5个，改进工艺后，每个布娃娃可以节约0.02米布．现在每个布娃娃需要用布多少米？
<gadget id="calculator">2.6 / 5</gadget>
<output>0.52</output>

<gadget id="calculator">0.52 - 0.02</gadget>
<output>0.5</output>

<result>0.5</result>