taxi driver took a passenger from a certain school to the train station. The total distance was 17 kilometers. On the way, the passenger asked the driver: "How far do we have to go to the train station?" The taxi driver used to be an Olympiad teacher , He glanced at the current location, and said casually: "Our remaining distance is equal to (1/3) of the distance traveled plus 1 kilometer." Then how many kilometers is the distance traveled.
一位的士司机搭载一名乘客从某个学校去火车站，总路程17千米，路上乘客问司机："咱们还有多远到火车站？"这名的士司机以前是一名奥数老师，他看了一眼目前所在的位置，随口说道："咱们剩余的路程等于已走路程的(1/3)再加1千米．"那么已走路程为多少千米．
<gadget id="calculator">17 - 1</gadget>
<output>16</output>

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

<gadget id="calculator">1 + (1/3)</gadget>
<output>4/3 = around 1.333333</output>

<gadget id="calculator">16 / (4/3)</gadget>
<output>12</output>

<result>12</result>