The whole journey from Wuhan to Beijing is 1298 kilometers long. The express train and the local train leave from opposite places respectively. After 4 hours, the two trains meet. The slow train travels 145 kilometers per hour. How many kilometers per hour does the express train travel?
武汉到北京全程长1298千米，快车和慢车分别从两地相对开出，4小时后两车相遇，慢车每小时行145千米，快车每小时行多少千米？
<gadget id="calculator">1_298 / 4</gadget>
<output>649/2 = around 324.5</output>

<gadget id="calculator">(649/2) - 145</gadget>
<output>359/2 = around 179.5</output>

<result>359/2 = around 179.5</result>