The distance between two cities, A and B, is 595 kilometers. An express train departs from A city, and a slow train departs from B city at the same time. The two trains drive towards each other and meet each other after 5 hours. It is known that the slow train travels 45 kilometers per hour, so what is the speed of the fast train?
甲乙两个城市相距595千米，一辆快车从甲城开出，同时有一辆慢车从乙城开出，两车相向而行，经过5小时相遇．已知慢车每小时行45千米，那么，快车的速度是多少？
<gadget id="calculator">45 * 5</gadget>
<output>225</output>

<gadget id="calculator">595 - 225</gadget>
<output>370</output>

<gadget id="calculator">370 / 5</gadget>
<output>74</output>

<result>74</result>