Xiaolin's family drove to Beijing for a trip. His home was 836 kilometers away from Beijing. He drove 350 kilometers on the first day and 296 kilometers on the second day. How many kilometers will he have to drive to reach Beijing?
小林家开车去北京旅游，他家离北京836千米，第一天行驶350千米，第二天行296千米，还要再行驶多少千米才到达北京？
<gadget id="calculator">350 + 296</gadget>
<output>646</output>

<gadget id="calculator">836 - 646</gadget>
<output>190</output>

<result>190</result>