The total length of the Shanghai-Nanjing Expressway is 248 kilometers. A truck departs from Nanjing to Shanghai, and it will be 114 kilometers away from Shanghai in 2 hours. How many kilometers does this truck travel on average per hour?
沪宁高速公路全长248千米，一辆卡车从南京出发开往上海，2小时后离上海还有114千米，这辆卡车平均每小时行多少千米？
<gadget id="calculator">248 - 114</gadget>
<output>134</output>

<gadget id="calculator">134 / 2</gadget>
<output>67</output>

<result>67</result>