The railway from Beijing to Shenyang is 738 kilometers long. The two trains depart from the two stations at the same time and meet each other 3 hours later. It is known that car A travels 118 kilometers per hour, how many kilometers per hour does car B travel?
从北京到沈阳的铁路长738千米，两列火车从两站同时相向开出，3小时后相遇．已知甲车每小时行118千米，乙车每小时行多少千米？
<gadget id="calculator">738 / 3</gadget>
<output>246</output>

<gadget id="calculator">246 - 118</gadget>
<output>128</output>

<result>128</result>