Xiaoming's house is 826 meters away from Xinhua Bookstore, and if he walks b meters per minute, how many meters will he be away from the bookstore in 6 minutes?
小明家离新华书店826米，每分钟走b米，6分钟后离书店还有多少米．
<gadget id="calculator">826 - 6</gadget>
<output>820</output>

<result>820</result>