The distance between the two ports is 482 kilometers. Two speedboats, A and B, departed from both ports A and B at the same time. After traveling for 2 hours, boat B returned to port B due to something, and then continued to sail for another 3 hours. Boat A travels 50 kilometers per hour, how many kilometers per hour does boat B travel?
两港相距482千米，甲、乙两快艇分别从A，B两港同时对开，行了2小时候，乙艇有事返回B港，接着又继续对开了3小时后两艇相遇．甲艇每小时行50千米，乙艇每小时行多少千米？
<gadget id="calculator">3 + 2 + 2</gadget>
<output>7</output>

<gadget id="calculator">50 * 7</gadget>
<output>350</output>

<gadget id="calculator">482 - 350</gadget>
<output>132</output>

<gadget id="calculator">132 / 3</gadget>
<output>44</output>

<result>44</result>