A car travels from city A to city B. The speed of the car is 49 km/h. After driving for 16 hours, it is still 105 kilometers away from city B. How many kilometers is the distance from city A to city B?
一辆汽车从甲城去乙城，汽车的速度是49千米/时，行了16小时后离乙城还有105千米，甲城到乙城的距离是多少千米？
<gadget id="calculator">49 * 16</gadget>
<output>784</output>

<gadget id="calculator">784 + 105</gadget>
<output>889</output>

<result>889</result>