Cars A and B leave opposite stations A and B at the same time and meet at a distance of 75 kilometers from the midpoint. It is known that the ratio of the speed of car B to the speed of A is 4:5. How many kilometers are the distance between the two stations?
甲、乙两车同时从A，B两站相对开出，在距中点75千米处相遇，已知乙车速度和甲车速度的比是4：5，两站相距多少千米？
<gadget id="calculator">5 + 4</gadget>
<output>9</output>

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

<gadget id="calculator">4 / 9</gadget>
<output>4/9 = around 0.444444</output>

<gadget id="calculator">(5/9) - (4/9)</gadget>
<output>1/9 = around 0.111111</output>

<gadget id="calculator">2 / (1/9)</gadget>
<output>18</output>

<gadget id="calculator">75 * 18</gadget>
<output>1_350</output>

<result>1_350</result>