Two ships depart from Shanghai and Wuhan at the same time, the passenger ship travels 65 kilometers per hour, and the cargo ship travels 35 kilometers per hour. After 8 hours of sailing, the distance between the two ships is still 300 kilometers. How many kilometers is the total length of the waterway between Shanghai and Wuhan?
两艘轮船同时从上海和武汉相对开出，客船每小时行65千米，货船每小时行35千米．航行8小时后，两船还相距300千米，上海到武汉之间的水路全长多少千米？
<gadget id="calculator">65 + 35</gadget>
<output>100</output>

<gadget id="calculator">100 * 8</gadget>
<output>800</output>

<gadget id="calculator">800 + 300</gadget>
<output>1_100</output>

<result>1_100</result>