Cars A and B drive from two places at the same time. When the distance between the two cars is 35 kilometers, car A travels the whole distance (3/4), and car B travels the whole distance (1/5). How many kilometers are the distance between the two places?
甲、乙两车分别从两地同时相对开出，当两车相距35千米时，甲车行了全程的(3/4)，乙车行了全程的(1/5)．两地相距多少千米？
<gadget id="calculator">3 / 4</gadget>
<output>3/4 = around 0.75</output>

<gadget id="calculator">1 / 5</gadget>
<output>1/5 = around 0.2</output>

<gadget id="calculator">1 - (3/4) - (1/5)</gadget>
<output>1/20 = around 0.05</output>

<gadget id="calculator">35 / (1/20)</gadget>
<output>700</output>

<result>700</result>