The distance between A and B ports is 485 kilometers. Two ships, passenger and cargo, sail towards each other from the two ports at the same time. After 8 hours, the distance between the two ships is still 165 kilometers. It is known that the speed of the cargo ship is (3/5) the speed of the passenger ship, how many kilometers per hour does the passenger ship sail?
甲、乙两港相距485千米，客、货两船同时从两港相向而行，8小时后，两船还相距165千米．已知货船的速度是客船速度的(3/5)，求客船每小时航行多少千米？
<gadget id="calculator">485 - 165</gadget>
<output>320</output>

<gadget id="calculator">3 / 5</gadget>
<output>3/5 = around 0.6</output>

<gadget id="calculator">(3/5) * 8</gadget>
<output>24/5 = around 4.8</output>

<gadget id="calculator">8 + (24/5)</gadget>
<output>64/5 = around 12.8</output>

<gadget id="calculator">320 / (64/5)</gadget>
<output>25</output>

<result>25</result>