A ship departs from port A at a speed of 40 kilometers per hour, and a cargo ship departs from port B at a speed of 30 kilometers per hour. They meet after traveling for 2.5 hours. How far is the distance between the two ports?
一艘轮船以每时40千米的速度从甲港出发，一艘货船以每时30千米的速度从乙港出发，行驶2.5时后相遇，甲乙两港相距多远？
<gadget id="calculator">40 + 30</gadget>
<output>70</output>

<gadget id="calculator">70 * 2.5</gadget>
<output>175</output>

<result>175</result>