The hunter went hunting, and his home was 8 kilometers away from the destination. When he walked 3 kilometers away from home, he found that he did not bring a shotgun, so he went back to get it. How many kilometers did the hunter travel to reach his destination?
猎人去打猎，他的家离目的地有8千米，他离家走出3千米时，发现没有带猎枪，又回家去取．猎人最后到达目的地走的路程有多少千米？
<gadget id="calculator">3 * 2</gadget>
<output>6</output>

<gadget id="calculator">8 + 6</gadget>
<output>14</output>

<result>14</result>