The water pipe in Pleasant Goat’s house was broken, and there is a steel pipe underneath. Boiling Yangyang used the full length (1/8) for the first time, and used the full length (1/4) for the second time. What fraction of the full length is left?
喜羊羊家的水管坏了，下面是一根钢管，沸羊羊第一次用去了全长的(1/8)，第二次用了全长的(1/4)．还剩下全长的几分之几？
<gadget id="calculator">1 / 8</gadget>
<output>1/8 = around 0.125</output>

<gadget id="calculator">1 / 4</gadget>
<output>1/4 = around 0.25</output>

<gadget id="calculator">1 - (1/8) - (1/4)</gadget>
<output>5/8 = around 0.625</output>

<result>5/8 = around 0.625</result>