Teacher's Day is here, the students of Class 51 prepared some gifts for the teacher, and they wrapped the gift boxes with ribbons. Half of the ribbon was used for the first time, the remaining half was used for the second time, and the remaining half was used for the third time, and there was 1.24 meters left. How long was the ribbon originally?
教师节到了，五1班的同学为老师准备了一些礼物，他们用彩带包装礼品盒．第一次用去彩带的一半，第二次用去剩下的一半，第三次用去剩下的一半后还剩1.24米，这条彩带原来长多少米？
<gadget id="calculator">1.24 * 2 * 2 * 2</gadget>
<output>9.92</output>

<result>9.92</result>