The length ratio of the two ropes A and B is 8:5. If A rope is cut off by 40 meters and B rope is changed to the original length (11/10), then the two ropes are the same length. How long is the rope B?
甲、乙两根绳的长度比为8：5，如果甲绳剪去40米，乙绳改为原长的(11/10)，这时两绳同样长．乙绳原来长多少米？
<gadget id="calculator">11 / 10</gadget>
<output>11/10 = around 1.1</output>

<gadget id="calculator">5 * (11/10)</gadget>
<output>11/2 = around 5.5</output>

<gadget id="calculator">8 - (11/2)</gadget>
<output>5/2 = around 2.5</output>

<gadget id="calculator">40 / (5/2)</gadget>
<output>16</output>

<gadget id="calculator">5 * 16</gadget>
<output>80</output>

<result>80</result>