There are 6.5 meters of red cloth in the store, and the flower cloth is 2 meters less than the red cloth. How many rice cloth are there in the flower cloth?
商店有红布6.5米，花布比红布少2米，花布有多少米布．
<gadget id="calculator">6.5 - 2</gadget>
<output>4.5</output>

<result>4.5</result>