Two ships, A and B, depart from two ports that are 560 kilometers apart at the same time. Ship A travels 19 kilometers per hour, and ship B travels 16 kilometers per hour. After how many hours will the two ships meet?
甲、乙两船分别从相距560千米的两港同时相对开出，甲船每小时行19千米，乙船每小时行16千米，经过几小时两船会相遇？
<gadget id="calculator">19 + 16</gadget>
<output>35</output>

<gadget id="calculator">560 / 35</gadget>
<output>16</output>

<result>16</result>