Two ships go from Qingdao to Shanghai at the same time. After 18 hours, ship A lags behind ship B by 57.6 kilometers. Ship A travels an average of 32.5 kilometers per hour. How many kilometers per hour does ship B travel on average?
两只轮船同时从青岛去上海，18小时后，甲船落后乙船57.6千米，甲船平均每小时行32.5千米，乙船平均每小时行多少千米？
<gadget id="calculator">57.6 / 18</gadget>
<output>3.2</output>

<gadget id="calculator">3.2 + 32.5</gadget>
<output>35.7</output>

<result>35.7</result>