Cars A and B respectively start from A and B at the same time and drive towards each other, and meet each other after several hours. After the encounter, proceed at the original speed. After 5 hours, car B arrives at point A, and car A exceeds point B by 45 kilometers, which accounts for 25% of the total distance between places A and B. How many kilometers does car A travel per hour?
甲、乙两车分别从A、B两地同时出发相向而行，经过若干小时相遇．相遇后，按原速前进，经过5小时后乙车到达A地，甲超过B地45千米，正好占A、B两地全程的25%，甲车每小时行多少千米？
<gadget id="calculator">25 / 100</gadget>
<output>1/4 = around 0.25</output>

<gadget id="calculator">45 / (1/4)</gadget>
<output>180</output>

<gadget id="calculator">4 + 5</gadget>
<output>9</output>

<gadget id="calculator">5 / 9</gadget>
<output>5/9 = around 0.555556</output>

<gadget id="calculator">(5/9) / 5</gadget>
<output>1/9 = around 0.111111</output>

<gadget id="calculator">180 + 45</gadget>
<output>225</output>

<gadget id="calculator">225 / 180</gadget>
<output>5/4 = around 1.25</output>

<gadget id="calculator">180 * (1/9) * (5/4)</gadget>
<output>25</output>

<result>25</result>