A steel bar, cut off the full length (1/8), and then connect it to 15 meters, the result is longer than the original length (1/4), what is the original length of the steel bar?
一根钢条，剪下全长的(1/8)，再接上15米，结果比原来的长度多(1/4)，求钢条原来有多长？
<gadget id="calculator">3 / 4</gadget>
<output>3/4 = around 0.75</output>

<gadget id="calculator">60 / (3/4)</gadget>
<output>80</output>

<result>80</result>