Car A travels 70 kilometers per hour, and car B travels 90 kilometers per hour. Cars A and B drive opposite each other from AB. When two cars meet, car A travels 45 kilometers less than car B, how many kilometers is the distance between AB and AB?
甲车每小时行70千米，乙车每小时行90千米，甲乙两车从AB两地相对开出．两车相遇时甲车比乙车少行45千米，AB两地间的路程是多少千米？
<gadget id="calculator">90 - 70</gadget>
<output>20</output>

<gadget id="calculator">45 / 20</gadget>
<output>9/4 = around 2.25</output>

<gadget id="calculator">90 + 70</gadget>
<output>160</output>

<gadget id="calculator">(9/4) * 160</gadget>
<output>360</output>

<result>360</result>