A car departs from place A at 10 am and arrives at place B at 3 pm. If the car travels an average of 50 kilometers per hour, how many kilometers is the distance from place A to place B?
汽车上午10时从甲地出发下午3时到达乙地，如果汽车平均每小时行军50千米，甲地到乙地的路程是多少千米
<gadget id="calculator">15 - 10</gadget>
<output>5</output>

<gadget id="calculator">50 * 5</gadget>
<output>250</output>

<result>250</result>