A rope, cut off the full length (1/2) for the first time, and cut off the full length (1/3) for the second time, a total of 7.5 meters were cut twice, how many meters was the rope originally?
一根绳子，第一次剪去全长的(1/2)，第二次剪去全长的(1/3)，两次共剪去7.5米，这根绳子原来长多少米？
<gadget id="calculator">1 / 2</gadget>
<output>1/2 = around 0.5</output>

<gadget id="calculator">1 / 3</gadget>
<output>1/3 = around 0.333333</output>

<gadget id="calculator">(1/2) + (1/3)</gadget>
<output>5/6 = around 0.833333</output>

<gadget id="calculator">7.5 / (5/6)</gadget>
<output>9</output>

<result>9</result>