From A to B, A car needs 5 hours, and from B to A, B takes 6 hours. If car A travels 10km longer than car B every hour, how many kilometers are there between places A and B?
从A地到B地，甲车要行5时，从B地到A地，乙车要行6时．如果每时甲车比乙车多行10km，A、B两地相距多少千米？
<gadget id="calculator">5 * 10</gadget>
<output>50</output>

<gadget id="calculator">6 - 5</gadget>
<output>1</output>

<gadget id="calculator">50 / 1</gadget>
<output>50</output>

<gadget id="calculator">50 * 6</gadget>
<output>300</output>

<result>300</result>