The red rope is 0.8 yuan per meter, and I paid 2.8 yuan for this bundle. Do you know how many meters it is?
红绳每米0.8元，买这捆付了2.8元，你知道它有几米吗？
<gadget id="calculator">2.8 / 0.8</gadget>
<output>3.5</output>

<result>3.5</result>