Two people, A and B, go from A to B at the same time. A rides a motorcycle at a speed of 55 kilometers per hour, and B rides a bicycle at a speed of 20 kilometers per hour. After 6 hours, A arrives at B. At this time, how many kilometers is B away from B?
甲、乙两人同时从A地到B地，甲骑摩托车时速55千米，乙骑自行车时速是20千米．6小时后，甲到达B地．这时，乙离B地还有多少千米？
<gadget id="calculator">55 * 6</gadget>
<output>330</output>

<gadget id="calculator">20 * 6</gadget>
<output>120</output>

<gadget id="calculator">330 - 120</gadget>
<output>210</output>

<result>210</result>