It takes 12 hours for a ship to sail upstream from port A to port B. It is known that the speed of the ship in still water is 16 kilometers per hour, and the speed of the current is 2 kilometers per hour. How many miles is the distance between A and B?
一艘轮船从甲港逆水航行到乙港需要12小时，已知该船的静水速度是每小时行16千米，水流速度是每小时2千米．甲、乙两港之间相距多少千米？
<gadget id="calculator">16 - 2</gadget>
<output>14</output>

<gadget id="calculator">14 * 12</gadget>
<output>168</output>

<result>168</result>