Xiaogang walked to Qingshan to travel, he walked 6 kilometers per hour, and after 3 hours, he was still 8 kilometers away from Qingshan. How far is the distance from Xiaogang's house to Qingshan?
小刚步行到青山去旅游，他每小时行6千米，3小时后距离青山还有8千米．小刚家至青山的路程有多远？
<gadget id="calculator">6 * 3</gadget>
<output>18</output>

<gadget id="calculator">18 + 8</gadget>
<output>26</output>

<result>26</result>