The pricing rules of a taxi in a certain city are as follows: the journey does not exceed 3 kilometers, and the starting fare is 8 yuan; the excess is 1.20 yuan per kilometer. One day, Mr. Li and three students went to visit a student who was on sick leave. They paid 17.60 yuan by taxi. How much did they take in total?
某市的出租车计价规则如下：行程不超过3千米，收起步价8元；超过部分每千米路程收费1.20元．某天李老师和三位学生去探望一位病假的学生，坐出租车付了17.60元，他们共乘坐了多少路程？
<gadget id="calculator">17.6 - 8</gadget>
<output>9.6</output>

<gadget id="calculator">9.6 / 1.2</gadget>
<output>8</output>

<gadget id="calculator">8 + 3</gadget>
<output>11</output>

<result>11</result>