Two ships, A and B, sail from Tianjin to Wuhan along the same route at the same time. Ship A travels 26.8 kilometers per hour, and after 12.5 hours, ship B surpasses ship A by 7.5 kilometers. How many kilometers does the boat travel per hour?
甲、乙两艘轮船同时从天津沿同一航线开往武汉，甲船每小时行26.8千米，经过12.5小时乙船超过甲船7.5千米．乙船每小时行多少千米？
<gadget id="calculator">26.8 * 12.5</gadget>
<output>335</output>

<gadget id="calculator">335 + 7.5</gadget>
<output>342.5</output>

<gadget id="calculator">342.5 / 12.5</gadget>
<output>27.4</output>

<result>27.4</result>