passenger car drives from City A to City B at a speed of 50 kilometers, departs at 8:00 am, and arrives at 3:00 pm. How many miles is the distance between A and B?
一辆客车以50千米的速度从甲城开往乙城，上午8时出发，下午3时到达．甲、乙两城相距多少千米？
<gadget id="calculator">15 - 8</gadget>
<output>7</output>

<gadget id="calculator">50 * 7</gadget>
<output>350</output>

<result>350</result>