A motorcycle travels 35 kilometers per hour, a car travels 28 kilometers per hour more than a motorcycle, and a train travels 4 kilometers less than twice the speed of a car. How many kilometers does the train travel per hour?
一辆摩托车每小时可行35千米，一辆汽车比摩托车每小时多行驶28千米，一列火车的速度比汽车的2倍少4千米，这列火车每小时行驶多少千米？
<gadget id="calculator">35 + 28</gadget>
<output>63</output>

<gadget id="calculator">63 * 2</gadget>
<output>126</output>

<gadget id="calculator">126 - 4</gadget>
<output>122</output>

<result>122</result>